Home / 152,955.24-229,197.08-81,887.31

Finding the Fourth Proportional to 152,955.24, 229,197.08 and 81,887.31

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Solution

The fourth proportional to 152,955.24, 229,197.08 and 81,887.31 is: 122,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955.24 : 229,197.08 = 81,887.31 : x
  2. Step 2: Convert to fraction form
    152,955.24/229,197.08 = 81,887.31/x
  3. Step 3: Cross multiply
    152,955.24x = 229,197.08 × 81,887.31
  4. Step 4: Simplify right side
    152,955.24x = 18,768,332,085.16
  5. Step 5: Solve for x
    x = 18,768,332,085.16/152,955.24
  6. Step 6: Final answer
    x = 122,704.73

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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.