Home / 98,102.17-147,177.56-31,549.74

Finding the Fourth Proportional to 98,102.17, 147,177.56 and 31,549.74

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Solution

The fourth proportional to 98,102.17, 147,177.56 and 31,549.74 is: 47,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,102.17 : 147,177.56 = 31,549.74 : x
  2. Step 2: Convert to fraction form
    98,102.17/147,177.56 = 31,549.74/x
  3. Step 3: Cross multiply
    98,102.17x = 147,177.56 × 31,549.74
  4. Step 4: Simplify right side
    98,102.17x = 4,643,413,751.83
  5. Step 5: Solve for x
    x = 4,643,413,751.83/98,102.17
  6. Step 6: Final answer
    x = 47,332.43

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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.