Home / 127,470.41-175,909.30-70,880.57

Finding the Fourth Proportional to 127,470.41, 175,909.30 and 70,880.57

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Solution

The fourth proportional to 127,470.41, 175,909.30 and 70,880.57 is: 97,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,470.41 : 175,909.30 = 70,880.57 : x
  2. Step 2: Convert to fraction form
    127,470.41/175,909.30 = 70,880.57/x
  3. Step 3: Cross multiply
    127,470.41x = 175,909.30 × 70,880.57
  4. Step 4: Simplify right side
    127,470.41x = 12,468,550,572.75
  5. Step 5: Solve for x
    x = 12,468,550,572.75/127,470.41
  6. Step 6: Final answer
    x = 97,815.26

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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.