Home / 134,719.61-185,908.79-74,292.80

Finding the Fourth Proportional to 134,719.61, 185,908.79 and 74,292.80

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Solution

The fourth proportional to 134,719.61, 185,908.79 and 74,292.80 is: 102,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719.61 : 185,908.79 = 74,292.80 : x
  2. Step 2: Convert to fraction form
    134,719.61/185,908.79 = 74,292.80/x
  3. Step 3: Cross multiply
    134,719.61x = 185,908.79 × 74,292.80
  4. Step 4: Simplify right side
    134,719.61x = 13,811,684,182.25
  5. Step 5: Solve for x
    x = 13,811,684,182.25/134,719.61
  6. Step 6: Final answer
    x = 102,521.71

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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.