Home / 148,965.12-223,377.36-54,128.40

Finding the Fourth Proportional to 148,965.12, 223,377.36 and 54,128.40

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Solution

The fourth proportional to 148,965.12, 223,377.36 and 54,128.40 is: 81,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,965.12 : 223,377.36 = 54,128.40 : x
  2. Step 2: Convert to fraction form
    148,965.12/223,377.36 = 54,128.40/x
  3. Step 3: Cross multiply
    148,965.12x = 223,377.36 × 54,128.40
  4. Step 4: Simplify right side
    148,965.12x = 12,091,059,093.02
  5. Step 5: Solve for x
    x = 12,091,059,093.02/148,965.12
  6. Step 6: Final answer
    x = 81,167.05

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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.