Home / 156,732.40-235,136.40-51,545.80

Finding the Fourth Proportional to 156,732.40, 235,136.40 and 51,545.80

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Solution

The fourth proportional to 156,732.40, 235,136.40 and 51,545.80 is: 77,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732.40 : 235,136.40 = 51,545.80 : x
  2. Step 2: Convert to fraction form
    156,732.40/235,136.40 = 51,545.80/x
  3. Step 3: Cross multiply
    156,732.40x = 235,136.40 × 51,545.80
  4. Step 4: Simplify right side
    156,732.40x = 12,120,293,847.12
  5. Step 5: Solve for x
    x = 12,120,293,847.12/156,732.40
  6. Step 6: Final answer
    x = 77,331.13

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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.