Home / 138,855.14-208,240.07-58,891.66

Finding the Fourth Proportional to 138,855.14, 208,240.07 and 58,891.66

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Solution

The fourth proportional to 138,855.14, 208,240.07 and 58,891.66 is: 88,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,855.14 : 208,240.07 = 58,891.66 : x
  2. Step 2: Convert to fraction form
    138,855.14/208,240.07 = 58,891.66/x
  3. Step 3: Cross multiply
    138,855.14x = 208,240.07 × 58,891.66
  4. Step 4: Simplify right side
    138,855.14x = 12,263,602,585.76
  5. Step 5: Solve for x
    x = 12,263,602,585.76/138,855.14
  6. Step 6: Final answer
    x = 88,319.40

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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.