Home / 177,855.60-266,127.30-162,109.20

Finding the Fourth Proportional to 177,855.60, 266,127.30 and 162,109.20

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Solution

The fourth proportional to 177,855.60, 266,127.30 and 162,109.20 is: 242,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,855.60 : 266,127.30 = 162,109.20 : x
  2. Step 2: Convert to fraction form
    177,855.60/266,127.30 = 162,109.20/x
  3. Step 3: Cross multiply
    177,855.60x = 266,127.30 × 162,109.20
  4. Step 4: Simplify right side
    177,855.60x = 43,141,683,701.16
  5. Step 5: Solve for x
    x = 43,141,683,701.16/177,855.60
  6. Step 6: Final answer
    x = 242,565.79

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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.