Home / 144,932.20-217,430.70-56,177.80

Finding the Fourth Proportional to 144,932.20, 217,430.70 and 56,177.80

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Solution

The fourth proportional to 144,932.20, 217,430.70 and 56,177.80 is: 84,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,932.20 : 217,430.70 = 56,177.80 : x
  2. Step 2: Convert to fraction form
    144,932.20/217,430.70 = 56,177.80/x
  3. Step 3: Cross multiply
    144,932.20x = 217,430.70 × 56,177.80
  4. Step 4: Simplify right side
    144,932.20x = 12,214,778,378.46
  5. Step 5: Solve for x
    x = 12,214,778,378.46/144,932.20
  6. Step 6: Final answer
    x = 84,279.26

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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.