Home / 131,407.71-197,140.73-61,248.75

Finding the Fourth Proportional to 131,407.71, 197,140.73 and 61,248.75

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Solution

The fourth proportional to 131,407.71, 197,140.73 and 61,248.75 is: 91,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,407.71 : 197,140.73 = 61,248.75 : x
  2. Step 2: Convert to fraction form
    131,407.71/197,140.73 = 61,248.75/x
  3. Step 3: Cross multiply
    131,407.71x = 197,140.73 × 61,248.75
  4. Step 4: Simplify right side
    131,407.71x = 12,074,623,286.59
  5. Step 5: Solve for x
    x = 12,074,623,286.59/131,407.71
  6. Step 6: Final answer
    x = 91,886.72

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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.