Home / 99,074.08-148,611.12-42,868.18

Finding the Fourth Proportional to 99,074.08, 148,611.12 and 42,868.18

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Solution

The fourth proportional to 99,074.08, 148,611.12 and 42,868.18 is: 64,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,074.08 : 148,611.12 = 42,868.18 : x
  2. Step 2: Convert to fraction form
    99,074.08/148,611.12 = 42,868.18/x
  3. Step 3: Cross multiply
    99,074.08x = 148,611.12 × 42,868.18
  4. Step 4: Simplify right side
    99,074.08x = 6,370,688,242.16
  5. Step 5: Solve for x
    x = 6,370,688,242.16/99,074.08
  6. Step 6: Final answer
    x = 64,302.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.