Home / 138,867.08-208,300.60-39,023.24

Finding the Fourth Proportional to 138,867.08, 208,300.60 and 39,023.24

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Solution

The fourth proportional to 138,867.08, 208,300.60 and 39,023.24 is: 58,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,867.08 : 208,300.60 = 39,023.24 : x
  2. Step 2: Convert to fraction form
    138,867.08/208,300.60 = 39,023.24/x
  3. Step 3: Cross multiply
    138,867.08x = 208,300.60 × 39,023.24
  4. Step 4: Simplify right side
    138,867.08x = 8,128,564,305.94
  5. Step 5: Solve for x
    x = 8,128,564,305.94/138,867.08
  6. Step 6: Final answer
    x = 58,534.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.