Home / 151,311.66-208,766.16-97,628.10

Finding the Fourth Proportional to 151,311.66, 208,766.16 and 97,628.10

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Solution

The fourth proportional to 151,311.66, 208,766.16 and 97,628.10 is: 134,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,311.66 : 208,766.16 = 97,628.10 : x
  2. Step 2: Convert to fraction form
    151,311.66/208,766.16 = 97,628.10/x
  3. Step 3: Cross multiply
    151,311.66x = 208,766.16 × 97,628.10
  4. Step 4: Simplify right side
    151,311.66x = 20,381,443,545.10
  5. Step 5: Solve for x
    x = 20,381,443,545.10/151,311.66
  6. Step 6: Final answer
    x = 134,698.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.