Home / 134,724.42-185,932.23-77,371.74

Finding the Fourth Proportional to 134,724.42, 185,932.23 and 77,371.74

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Solution

The fourth proportional to 134,724.42, 185,932.23 and 77,371.74 is: 106,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,724.42 : 185,932.23 = 77,371.74 : x
  2. Step 2: Convert to fraction form
    134,724.42/185,932.23 = 77,371.74/x
  3. Step 3: Cross multiply
    134,724.42x = 185,932.23 × 77,371.74
  4. Step 4: Simplify right side
    134,724.42x = 14,385,900,157.18
  5. Step 5: Solve for x
    x = 14,385,900,157.18/134,724.42
  6. Step 6: Final answer
    x = 106,780.20

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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.