Home / 152,719.20-229,224.60-77,923.80

Finding the Fourth Proportional to 152,719.20, 229,224.60 and 77,923.80

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Solution

The fourth proportional to 152,719.20, 229,224.60 and 77,923.80 is: 116,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,719.20 : 229,224.60 = 77,923.80 : x
  2. Step 2: Convert to fraction form
    152,719.20/229,224.60 = 77,923.80/x
  3. Step 3: Cross multiply
    152,719.20x = 229,224.60 × 77,923.80
  4. Step 4: Simplify right side
    152,719.20x = 17,862,051,885.48
  5. Step 5: Solve for x
    x = 17,862,051,885.48/152,719.20
  6. Step 6: Final answer
    x = 116,960.09

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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.