Home / 154,965.20-232,447.65-42,646.06

Finding the Fourth Proportional to 154,965.20, 232,447.65 and 42,646.06

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Solution

The fourth proportional to 154,965.20, 232,447.65 and 42,646.06 is: 63,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,965.20 : 232,447.65 = 42,646.06 : x
  2. Step 2: Convert to fraction form
    154,965.20/232,447.65 = 42,646.06/x
  3. Step 3: Cross multiply
    154,965.20x = 232,447.65 × 42,646.06
  4. Step 4: Simplify right side
    154,965.20x = 9,912,976,428.76
  5. Step 5: Solve for x
    x = 9,912,976,428.76/154,965.20
  6. Step 6: Final answer
    x = 63,969.05

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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.