Home / 127,191.76-175,527.27-76,257.74

Finding the Fourth Proportional to 127,191.76, 175,527.27 and 76,257.74

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Solution

The fourth proportional to 127,191.76, 175,527.27 and 76,257.74 is: 105,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,191.76 : 175,527.27 = 76,257.74 : x
  2. Step 2: Convert to fraction form
    127,191.76/175,527.27 = 76,257.74/x
  3. Step 3: Cross multiply
    127,191.76x = 175,527.27 × 76,257.74
  4. Step 4: Simplify right side
    127,191.76x = 13,385,312,918.57
  5. Step 5: Solve for x
    x = 13,385,312,918.57/127,191.76
  6. Step 6: Final answer
    x = 105,237.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.