Home / 266,629.18-399,904.42-98,110.35

Finding the Fourth Proportional to 266,629.18, 399,904.42 and 98,110.35

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Solution

The fourth proportional to 266,629.18, 399,904.42 and 98,110.35 is: 147,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,629.18 : 399,904.42 = 98,110.35 : x
  2. Step 2: Convert to fraction form
    266,629.18/399,904.42 = 98,110.35/x
  3. Step 3: Cross multiply
    266,629.18x = 399,904.42 × 98,110.35
  4. Step 4: Simplify right side
    266,629.18x = 39,234,762,367.47
  5. Step 5: Solve for x
    x = 39,234,762,367.47/266,629.18
  6. Step 6: Final answer
    x = 147,151.05

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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.