Home / 148,487.45-204,910.17-83,955.61

Finding the Fourth Proportional to 148,487.45, 204,910.17 and 83,955.61

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Solution

The fourth proportional to 148,487.45, 204,910.17 and 83,955.61 is: 115,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.45 : 204,910.17 = 83,955.61 : x
  2. Step 2: Convert to fraction form
    148,487.45/204,910.17 = 83,955.61/x
  3. Step 3: Cross multiply
    148,487.45x = 204,910.17 × 83,955.61
  4. Step 4: Simplify right side
    148,487.45x = 17,203,357,897.78
  5. Step 5: Solve for x
    x = 17,203,357,897.78/148,487.45
  6. Step 6: Final answer
    x = 115,857.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.