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Finding the Fourth Proportional to 154,775.52, 232,163.58 and 42,456.78

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Solution

The fourth proportional to 154,775.52, 232,163.58 and 42,456.78 is: 63,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,775.52 : 232,163.58 = 42,456.78 : x
  2. Step 2: Convert to fraction form
    154,775.52/232,163.58 = 42,456.78/x
  3. Step 3: Cross multiply
    154,775.52x = 232,163.58 × 42,456.78
  4. Step 4: Simplify right side
    154,775.52x = 9,856,918,040.07
  5. Step 5: Solve for x
    x = 9,856,918,040.07/154,775.52
  6. Step 6: Final answer
    x = 63,685.25

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1.5x scale

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.