Home / 134,073.84-185,001.30-77,474.28

Finding the Fourth Proportional to 134,073.84, 185,001.30 and 77,474.28

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Solution

The fourth proportional to 134,073.84, 185,001.30 and 77,474.28 is: 106,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,073.84 : 185,001.30 = 77,474.28 : x
  2. Step 2: Convert to fraction form
    134,073.84/185,001.30 = 77,474.28/x
  3. Step 3: Cross multiply
    134,073.84x = 185,001.30 × 77,474.28
  4. Step 4: Simplify right side
    134,073.84x = 14,332,842,516.56
  5. Step 5: Solve for x
    x = 14,332,842,516.56/134,073.84
  6. Step 6: Final answer
    x = 106,902.60

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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.