Home / 177,331.60-266,029.80-72,161.20

Finding the Fourth Proportional to 177,331.60, 266,029.80 and 72,161.20

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Solution

The fourth proportional to 177,331.60, 266,029.80 and 72,161.20 is: 108,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,331.60 : 266,029.80 = 72,161.20 : x
  2. Step 2: Convert to fraction form
    177,331.60/266,029.80 = 72,161.20/x
  3. Step 3: Cross multiply
    177,331.60x = 266,029.80 × 72,161.20
  4. Step 4: Simplify right side
    177,331.60x = 19,197,029,603.76
  5. Step 5: Solve for x
    x = 19,197,029,603.76/177,331.60
  6. Step 6: Final answer
    x = 108,254.98

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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.