Home / 112,152.35-154,752.48-66,829.20

Finding the Fourth Proportional to 112,152.35, 154,752.48 and 66,829.20

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Solution

The fourth proportional to 112,152.35, 154,752.48 and 66,829.20 is: 92,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,152.35 : 154,752.48 = 66,829.20 : x
  2. Step 2: Convert to fraction form
    112,152.35/154,752.48 = 66,829.20/x
  3. Step 3: Cross multiply
    112,152.35x = 154,752.48 × 66,829.20
  4. Step 4: Simplify right side
    112,152.35x = 10,341,984,436.42
  5. Step 5: Solve for x
    x = 10,341,984,436.42/112,152.35
  6. Step 6: Final answer
    x = 92,213.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.