Home / 138,923.79-208,157.87-58,897.82

Finding the Fourth Proportional to 138,923.79, 208,157.87 and 58,897.82

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Solution

The fourth proportional to 138,923.79, 208,157.87 and 58,897.82 is: 88,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,923.79 : 208,157.87 = 58,897.82 : x
  2. Step 2: Convert to fraction form
    138,923.79/208,157.87 = 58,897.82/x
  3. Step 3: Cross multiply
    138,923.79x = 208,157.87 × 58,897.82
  4. Step 4: Simplify right side
    138,923.79x = 12,260,043,423.57
  5. Step 5: Solve for x
    x = 12,260,043,423.57/138,923.79
  6. Step 6: Final answer
    x = 88,250.14

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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.