Home / 134,438.52-185,521.89-74,008.68

Finding the Fourth Proportional to 134,438.52, 185,521.89 and 74,008.68

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Solution

The fourth proportional to 134,438.52, 185,521.89 and 74,008.68 is: 102,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,438.52 : 185,521.89 = 74,008.68 : x
  2. Step 2: Convert to fraction form
    134,438.52/185,521.89 = 74,008.68/x
  3. Step 3: Cross multiply
    134,438.52x = 185,521.89 × 74,008.68
  4. Step 4: Simplify right side
    134,438.52x = 13,730,230,190.01
  5. Step 5: Solve for x
    x = 13,730,230,190.01/134,438.52
  6. Step 6: Final answer
    x = 102,130.18

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1.5x scale

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.