Home / 127,246.72-190,810.12-47,229.24

Finding the Fourth Proportional to 127,246.72, 190,810.12 and 47,229.24

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Solution

The fourth proportional to 127,246.72, 190,810.12 and 47,229.24 is: 70,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,246.72 : 190,810.12 = 47,229.24 : x
  2. Step 2: Convert to fraction form
    127,246.72/190,810.12 = 47,229.24/x
  3. Step 3: Cross multiply
    127,246.72x = 190,810.12 × 47,229.24
  4. Step 4: Simplify right side
    127,246.72x = 9,011,816,951.91
  5. Step 5: Solve for x
    x = 9,011,816,951.91/127,246.72
  6. Step 6: Final answer
    x = 70,821.61

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1.5x scale

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.