Home / 148,041.60-221,952.96-76,862.04

Finding the Fourth Proportional to 148,041.60, 221,952.96 and 76,862.04

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Solution

The fourth proportional to 148,041.60, 221,952.96 and 76,862.04 is: 115,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,041.60 : 221,952.96 = 76,862.04 : x
  2. Step 2: Convert to fraction form
    148,041.60/221,952.96 = 76,862.04/x
  3. Step 3: Cross multiply
    148,041.60x = 221,952.96 × 76,862.04
  4. Step 4: Simplify right side
    148,041.60x = 17,059,757,289.64
  5. Step 5: Solve for x
    x = 17,059,757,289.64/148,041.60
  6. Step 6: Final answer
    x = 115,236.24

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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.