Home / 147,278.91-220,913.97-40,669.35

Finding the Fourth Proportional to 147,278.91, 220,913.97 and 40,669.35

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Solution

The fourth proportional to 147,278.91, 220,913.97 and 40,669.35 is: 61,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,278.91 : 220,913.97 = 40,669.35 : x
  2. Step 2: Convert to fraction form
    147,278.91/220,913.97 = 40,669.35/x
  3. Step 3: Cross multiply
    147,278.91x = 220,913.97 × 40,669.35
  4. Step 4: Simplify right side
    147,278.91x = 8,984,427,565.82
  5. Step 5: Solve for x
    x = 8,984,427,565.82/147,278.91
  6. Step 6: Final answer
    x = 61,002.81

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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.