Home / 127,182.14-175,512.04-79,463.17

Finding the Fourth Proportional to 127,182.14, 175,512.04 and 79,463.17

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Solution

The fourth proportional to 127,182.14, 175,512.04 and 79,463.17 is: 109,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,182.14 : 175,512.04 = 79,463.17 : x
  2. Step 2: Convert to fraction form
    127,182.14/175,512.04 = 79,463.17/x
  3. Step 3: Cross multiply
    127,182.14x = 175,512.04 × 79,463.17
  4. Step 4: Simplify right side
    127,182.14x = 13,946,742,434.13
  5. Step 5: Solve for x
    x = 13,946,742,434.13/127,182.14
  6. Step 6: Final answer
    x = 109,659.60

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1.5x scale

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.