Home / 154,417.53-231,628.22-42,103.29

Finding the Fourth Proportional to 154,417.53, 231,628.22 and 42,103.29

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Solution

The fourth proportional to 154,417.53, 231,628.22 and 42,103.29 is: 63,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,417.53 : 231,628.22 = 42,103.29 : x
  2. Step 2: Convert to fraction form
    154,417.53/231,628.22 = 42,103.29/x
  3. Step 3: Cross multiply
    154,417.53x = 231,628.22 × 42,103.29
  4. Step 4: Simplify right side
    154,417.53x = 9,752,309,908.33
  5. Step 5: Solve for x
    x = 9,752,309,908.33/154,417.53
  6. Step 6: Final answer
    x = 63,155.46

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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.