Home / 154,965.10-232,447.65-42,645.10

Finding the Fourth Proportional to 154,965.10, 232,447.65 and 42,645.10

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Solution

The fourth proportional to 154,965.10, 232,447.65 and 42,645.10 is: 63,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,965.10 : 232,447.65 = 42,645.10 : x
  2. Step 2: Convert to fraction form
    154,965.10/232,447.65 = 42,645.10/x
  3. Step 3: Cross multiply
    154,965.10x = 232,447.65 × 42,645.10
  4. Step 4: Simplify right side
    154,965.10x = 9,912,753,279.02
  5. Step 5: Solve for x
    x = 9,912,753,279.02/154,965.10
  6. Step 6: Final answer
    x = 63,967.65

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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.