Home / 148,965.24-223,377.48-54,129.32

Finding the Fourth Proportional to 148,965.24, 223,377.48 and 54,129.32

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Solution

The fourth proportional to 148,965.24, 223,377.48 and 54,129.32 is: 81,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,965.24 : 223,377.48 = 54,129.32 : x
  2. Step 2: Convert to fraction form
    148,965.24/223,377.48 = 54,129.32/x
  3. Step 3: Cross multiply
    148,965.24x = 223,377.48 × 54,129.32
  4. Step 4: Simplify right side
    148,965.24x = 12,091,269,978.83
  5. Step 5: Solve for x
    x = 12,091,269,978.83/148,965.24
  6. Step 6: Final answer
    x = 81,168.40

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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.