Home / 154,697.73-232,046.77-42,378.91

Finding the Fourth Proportional to 154,697.73, 232,046.77 and 42,378.91

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Solution

The fourth proportional to 154,697.73, 232,046.77 and 42,378.91 is: 63,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,697.73 : 232,046.77 = 42,378.91 : x
  2. Step 2: Convert to fraction form
    154,697.73/232,046.77 = 42,378.91/x
  3. Step 3: Cross multiply
    154,697.73x = 232,046.77 × 42,378.91
  4. Step 4: Simplify right side
    154,697.73x = 9,833,888,357.47
  5. Step 5: Solve for x
    x = 9,833,888,357.47/154,697.73
  6. Step 6: Final answer
    x = 63,568.41

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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.