Home / 177,790.20-266,723.70-53,143.80

Finding the Fourth Proportional to 177,790.20, 266,723.70 and 53,143.80

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Solution

The fourth proportional to 177,790.20, 266,723.70 and 53,143.80 is: 79,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,790.20 : 266,723.70 = 53,143.80 : x
  2. Step 2: Convert to fraction form
    177,790.20/266,723.70 = 53,143.80/x
  3. Step 3: Cross multiply
    177,790.20x = 266,723.70 × 53,143.80
  4. Step 4: Simplify right side
    177,790.20x = 14,174,710,968.06
  5. Step 5: Solve for x
    x = 14,174,710,968.06/177,790.20
  6. Step 6: Final answer
    x = 79,727.18

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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.