Home / 127,470.47-191,224.53-47,488.23

Finding the Fourth Proportional to 127,470.47, 191,224.53 and 47,488.23

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Solution

The fourth proportional to 127,470.47, 191,224.53 and 47,488.23 is: 71,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,470.47 : 191,224.53 = 47,488.23 : x
  2. Step 2: Convert to fraction form
    127,470.47/191,224.53 = 47,488.23/x
  3. Step 3: Cross multiply
    127,470.47x = 191,224.53 × 47,488.23
  4. Step 4: Simplify right side
    127,470.47x = 9,080,914,462.28
  5. Step 5: Solve for x
    x = 9,080,914,462.28/127,470.47
  6. Step 6: Final answer
    x = 71,239.36

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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.