Home / 112,136.16-168,184.80-42,000.96

Finding the Fourth Proportional to 112,136.16, 168,184.80 and 42,000.96

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Solution

The fourth proportional to 112,136.16, 168,184.80 and 42,000.96 is: 62,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,136.16 : 168,184.80 = 42,000.96 : x
  2. Step 2: Convert to fraction form
    112,136.16/168,184.80 = 42,000.96/x
  3. Step 3: Cross multiply
    112,136.16x = 168,184.80 × 42,000.96
  4. Step 4: Simplify right side
    112,136.16x = 7,063,923,057.41
  5. Step 5: Solve for x
    x = 7,063,923,057.41/112,136.16
  6. Step 6: Final answer
    x = 62,994.16

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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.