Home / 115,600.68-159,545.88-67,880.16

Finding the Fourth Proportional to 115,600.68, 159,545.88 and 67,880.16

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Solution

The fourth proportional to 115,600.68, 159,545.88 and 67,880.16 is: 93,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,600.68 : 159,545.88 = 67,880.16 : x
  2. Step 2: Convert to fraction form
    115,600.68/159,545.88 = 67,880.16/x
  3. Step 3: Cross multiply
    115,600.68x = 159,545.88 × 67,880.16
  4. Step 4: Simplify right side
    115,600.68x = 10,829,999,861.74
  5. Step 5: Solve for x
    x = 10,829,999,861.74/115,600.68
  6. Step 6: Final answer
    x = 93,684.57

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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.