Home / 138,870.26-208,026.48-63,886.14

Finding the Fourth Proportional to 138,870.26, 208,026.48 and 63,886.14

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Solution

The fourth proportional to 138,870.26, 208,026.48 and 63,886.14 is: 95,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,870.26 : 208,026.48 = 63,886.14 : x
  2. Step 2: Convert to fraction form
    138,870.26/208,026.48 = 63,886.14/x
  3. Step 3: Cross multiply
    138,870.26x = 208,026.48 × 63,886.14
  4. Step 4: Simplify right side
    138,870.26x = 13,290,008,824.99
  5. Step 5: Solve for x
    x = 13,290,008,824.99/138,870.26
  6. Step 6: Final answer
    x = 95,700.90

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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.