Home / 134,565.24-185,708.40-74,135.87

Finding the Fourth Proportional to 134,565.24, 185,708.40 and 74,135.87

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Solution

The fourth proportional to 134,565.24, 185,708.40 and 74,135.87 is: 102,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,565.24 : 185,708.40 = 74,135.87 : x
  2. Step 2: Convert to fraction form
    134,565.24/185,708.40 = 74,135.87/x
  3. Step 3: Cross multiply
    134,565.24x = 185,708.40 × 74,135.87
  4. Step 4: Simplify right side
    134,565.24x = 13,767,653,290.16
  5. Step 5: Solve for x
    x = 13,767,653,290.16/134,565.24
  6. Step 6: Final answer
    x = 102,312.10

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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.