Home / 147,917.70-221,876.55-84,932.10

Finding the Fourth Proportional to 147,917.70, 221,876.55 and 84,932.10

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Solution

The fourth proportional to 147,917.70, 221,876.55 and 84,932.10 is: 127,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917.70 : 221,876.55 = 84,932.10 : x
  2. Step 2: Convert to fraction form
    147,917.70/221,876.55 = 84,932.10/x
  3. Step 3: Cross multiply
    147,917.70x = 221,876.55 × 84,932.10
  4. Step 4: Simplify right side
    147,917.70x = 18,844,441,332.26
  5. Step 5: Solve for x
    x = 18,844,441,332.26/147,917.70
  6. Step 6: Final answer
    x = 127,398.15

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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.