Home / 152,955.26-229,572.96-78,127.86

Finding the Fourth Proportional to 152,955.26, 229,572.96 and 78,127.86

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Solution

The fourth proportional to 152,955.26, 229,572.96 and 78,127.86 is: 117,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955.26 : 229,572.96 = 78,127.86 : x
  2. Step 2: Convert to fraction form
    152,955.26/229,572.96 = 78,127.86/x
  3. Step 3: Cross multiply
    152,955.26x = 229,572.96 × 78,127.86
  4. Step 4: Simplify right side
    152,955.26x = 17,936,044,078.67
  5. Step 5: Solve for x
    x = 17,936,044,078.67/152,955.26
  6. Step 6: Final answer
    x = 117,263.34

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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.