Home / 147,385.60-220,995.35-51,278.74

Finding the Fourth Proportional to 147,385.60, 220,995.35 and 51,278.74

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Solution

The fourth proportional to 147,385.60, 220,995.35 and 51,278.74 is: 76,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,385.60 : 220,995.35 = 51,278.74 : x
  2. Step 2: Convert to fraction form
    147,385.60/220,995.35 = 51,278.74/x
  3. Step 3: Cross multiply
    147,385.60x = 220,995.35 × 51,278.74
  4. Step 4: Simplify right side
    147,385.60x = 11,332,363,093.86
  5. Step 5: Solve for x
    x = 11,332,363,093.86/147,385.60
  6. Step 6: Final answer
    x = 76,889.22

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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.