Home / 134,966.31-186,264.52-77,624.19

Finding the Fourth Proportional to 134,966.31, 186,264.52 and 77,624.19

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Solution

The fourth proportional to 134,966.31, 186,264.52 and 77,624.19 is: 107,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,966.31 : 186,264.52 = 77,624.19 : x
  2. Step 2: Convert to fraction form
    134,966.31/186,264.52 = 77,624.19/x
  3. Step 3: Cross multiply
    134,966.31x = 186,264.52 × 77,624.19
  4. Step 4: Simplify right side
    134,966.31x = 14,458,632,490.74
  5. Step 5: Solve for x
    x = 14,458,632,490.74/134,966.31
  6. Step 6: Final answer
    x = 107,127.72

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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.