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Finding the Fourth Proportional to 177,888.22, 266,919.98 and 83,124.93

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Solution

The fourth proportional to 177,888.22, 266,919.98 and 83,124.93 is: 124,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,888.22 : 266,919.98 = 83,124.93 : x
  2. Step 2: Convert to fraction form
    177,888.22/266,919.98 = 83,124.93/x
  3. Step 3: Cross multiply
    177,888.22x = 266,919.98 × 83,124.93
  4. Step 4: Simplify right side
    177,888.22x = 22,187,705,238.43
  5. Step 5: Solve for x
    x = 22,187,705,238.43/177,888.22
  6. Step 6: Final answer
    x = 124,728.36

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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.