Home / 147,523.97-221,280.18-42,342.90

Finding the Fourth Proportional to 147,523.97, 221,280.18 and 42,342.90

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Solution

The fourth proportional to 147,523.97, 221,280.18 and 42,342.90 is: 63,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,523.97 : 221,280.18 = 42,342.90 : x
  2. Step 2: Convert to fraction form
    147,523.97/221,280.18 = 42,342.90/x
  3. Step 3: Cross multiply
    147,523.97x = 221,280.18 × 42,342.90
  4. Step 4: Simplify right side
    147,523.97x = 9,369,644,533.72
  5. Step 5: Solve for x
    x = 9,369,644,533.72/147,523.97
  6. Step 6: Final answer
    x = 63,512.69

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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.