Home / 124,688.10-187,149.60-65,566.20

Finding the Fourth Proportional to 124,688.10, 187,149.60 and 65,566.20

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Solution

The fourth proportional to 124,688.10, 187,149.60 and 65,566.20 is: 98,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,688.10 : 187,149.60 = 65,566.20 : x
  2. Step 2: Convert to fraction form
    124,688.10/187,149.60 = 65,566.20/x
  3. Step 3: Cross multiply
    124,688.10x = 187,149.60 × 65,566.20
  4. Step 4: Simplify right side
    124,688.10x = 12,270,688,103.52
  5. Step 5: Solve for x
    x = 12,270,688,103.52/124,688.10
  6. Step 6: Final answer
    x = 98,411.06

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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.