Home / 138,762.06-208,226.12-59,876.28

Finding the Fourth Proportional to 138,762.06, 208,226.12 and 59,876.28

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Solution

The fourth proportional to 138,762.06, 208,226.12 and 59,876.28 is: 89,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,762.06 : 208,226.12 = 59,876.28 : x
  2. Step 2: Convert to fraction form
    138,762.06/208,226.12 = 59,876.28/x
  3. Step 3: Cross multiply
    138,762.06x = 208,226.12 × 59,876.28
  4. Step 4: Simplify right side
    138,762.06x = 12,467,805,464.43
  5. Step 5: Solve for x
    x = 12,467,805,464.43/138,762.06
  6. Step 6: Final answer
    x = 89,850.25

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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.