Home / 125,132.86-172,683.42-68,545.18

Finding the Fourth Proportional to 125,132.86, 172,683.42 and 68,545.18

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Solution

The fourth proportional to 125,132.86, 172,683.42 and 68,545.18 is: 94,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,132.86 : 172,683.42 = 68,545.18 : x
  2. Step 2: Convert to fraction form
    125,132.86/172,683.42 = 68,545.18/x
  3. Step 3: Cross multiply
    125,132.86x = 172,683.42 × 68,545.18
  4. Step 4: Simplify right side
    125,132.86x = 11,836,616,106.92
  5. Step 5: Solve for x
    x = 11,836,616,106.92/125,132.86
  6. Step 6: Final answer
    x = 94,592.39

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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.