Home / 177,788.20-266,720.70-53,141.80

Finding the Fourth Proportional to 177,788.20, 266,720.70 and 53,141.80

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Solution

The fourth proportional to 177,788.20, 266,720.70 and 53,141.80 is: 79,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788.20 : 266,720.70 = 53,141.80 : x
  2. Step 2: Convert to fraction form
    177,788.20/266,720.70 = 53,141.80/x
  3. Step 3: Cross multiply
    177,788.20x = 266,720.70 × 53,141.80
  4. Step 4: Simplify right side
    177,788.20x = 14,174,018,095.26
  5. Step 5: Solve for x
    x = 14,174,018,095.26/177,788.20
  6. Step 6: Final answer
    x = 79,724.18

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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.