Home / 134,719.60-185,908.78-74,292.79

Finding the Fourth Proportional to 134,719.60, 185,908.78 and 74,292.79

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Solution

The fourth proportional to 134,719.60, 185,908.78 and 74,292.79 is: 102,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719.60 : 185,908.78 = 74,292.79 : x
  2. Step 2: Convert to fraction form
    134,719.60/185,908.78 = 74,292.79/x
  3. Step 3: Cross multiply
    134,719.60x = 185,908.78 × 74,292.79
  4. Step 4: Simplify right side
    134,719.60x = 13,811,681,951.70
  5. Step 5: Solve for x
    x = 13,811,681,951.70/134,719.60
  6. Step 6: Final answer
    x = 102,521.70

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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.