Home / 127,909.70-191,755.14-49,080.50

Finding the Fourth Proportional to 127,909.70, 191,755.14 and 49,080.50

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Solution

The fourth proportional to 127,909.70, 191,755.14 and 49,080.50 is: 73,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,909.70 : 191,755.14 = 49,080.50 : x
  2. Step 2: Convert to fraction form
    127,909.70/191,755.14 = 49,080.50/x
  3. Step 3: Cross multiply
    127,909.70x = 191,755.14 × 49,080.50
  4. Step 4: Simplify right side
    127,909.70x = 9,411,438,148.77
  5. Step 5: Solve for x
    x = 9,411,438,148.77/127,909.70
  6. Step 6: Final answer
    x = 73,578.77

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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.