Home / 187,275.92-280,941.86-68,938.27

Finding the Fourth Proportional to 187,275.92, 280,941.86 and 68,938.27

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Solution

The fourth proportional to 187,275.92, 280,941.86 and 68,938.27 is: 103,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,275.92 : 280,941.86 = 68,938.27 : x
  2. Step 2: Convert to fraction form
    187,275.92/280,941.86 = 68,938.27/x
  3. Step 3: Cross multiply
    187,275.92x = 280,941.86 × 68,938.27
  4. Step 4: Simplify right side
    187,275.92x = 19,367,645,268.97
  5. Step 5: Solve for x
    x = 19,367,645,268.97/187,275.92
  6. Step 6: Final answer
    x = 103,417.70

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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.