Home / 134,618.01-185,781.63-77,275.90

Finding the Fourth Proportional to 134,618.01, 185,781.63 and 77,275.90

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Solution

The fourth proportional to 134,618.01, 185,781.63 and 77,275.90 is: 106,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,618.01 : 185,781.63 = 77,275.90 : x
  2. Step 2: Convert to fraction form
    134,618.01/185,781.63 = 77,275.90/x
  3. Step 3: Cross multiply
    134,618.01x = 185,781.63 × 77,275.90
  4. Step 4: Simplify right side
    134,618.01x = 14,356,442,009.20
  5. Step 5: Solve for x
    x = 14,356,442,009.20/134,618.01
  6. Step 6: Final answer
    x = 106,645.77

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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.