Home / 134,856.32-185,996.54-86,462.87

Finding the Fourth Proportional to 134,856.32, 185,996.54 and 86,462.87

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Solution

The fourth proportional to 134,856.32, 185,996.54 and 86,462.87 is: 119,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,856.32 : 185,996.54 = 86,462.87 : x
  2. Step 2: Convert to fraction form
    134,856.32/185,996.54 = 86,462.87/x
  3. Step 3: Cross multiply
    134,856.32x = 185,996.54 × 86,462.87
  4. Step 4: Simplify right side
    134,856.32x = 16,081,793,296.17
  5. Step 5: Solve for x
    x = 16,081,793,296.17/134,856.32
  6. Step 6: Final answer
    x = 119,251.32

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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.