Home / 127,447.04-191,007.02-52,619.78

Finding the Fourth Proportional to 127,447.04, 191,007.02 and 52,619.78

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Solution

The fourth proportional to 127,447.04, 191,007.02 and 52,619.78 is: 78,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,447.04 : 191,007.02 = 52,619.78 : x
  2. Step 2: Convert to fraction form
    127,447.04/191,007.02 = 52,619.78/x
  3. Step 3: Cross multiply
    127,447.04x = 191,007.02 × 52,619.78
  4. Step 4: Simplify right side
    127,447.04x = 10,050,747,370.86
  5. Step 5: Solve for x
    x = 10,050,747,370.86/127,447.04
  6. Step 6: Final answer
    x = 78,862.15

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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.