Home / 154,417.28-231,627.84-42,103.04

Finding the Fourth Proportional to 154,417.28, 231,627.84 and 42,103.04

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Solution

The fourth proportional to 154,417.28, 231,627.84 and 42,103.04 is: 63,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,417.28 : 231,627.84 = 42,103.04 : x
  2. Step 2: Convert to fraction form
    154,417.28/231,627.84 = 42,103.04/x
  3. Step 3: Cross multiply
    154,417.28x = 231,627.84 × 42,103.04
  4. Step 4: Simplify right side
    154,417.28x = 9,752,236,212.63
  5. Step 5: Solve for x
    x = 9,752,236,212.63/154,417.28
  6. Step 6: Final answer
    x = 63,155.08

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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.