Home / 124,381.20-171,645.60-67,792.40

Finding the Fourth Proportional to 124,381.20, 171,645.60 and 67,792.40

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Solution

The fourth proportional to 124,381.20, 171,645.60 and 67,792.40 is: 93,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,381.20 : 171,645.60 = 67,792.40 : x
  2. Step 2: Convert to fraction form
    124,381.20/171,645.60 = 67,792.40/x
  3. Step 3: Cross multiply
    124,381.20x = 171,645.60 × 67,792.40
  4. Step 4: Simplify right side
    124,381.20x = 11,636,267,173.44
  5. Step 5: Solve for x
    x = 11,636,267,173.44/124,381.20
  6. Step 6: Final answer
    x = 93,553.26

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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.