Home / 127,589.64-176,080.60-71,002.23

Finding the Fourth Proportional to 127,589.64, 176,080.60 and 71,002.23

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Solution

The fourth proportional to 127,589.64, 176,080.60 and 71,002.23 is: 97,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.64 : 176,080.60 = 71,002.23 : x
  2. Step 2: Convert to fraction form
    127,589.64/176,080.60 = 71,002.23/x
  3. Step 3: Cross multiply
    127,589.64x = 176,080.60 × 71,002.23
  4. Step 4: Simplify right side
    127,589.64x = 12,502,115,259.74
  5. Step 5: Solve for x
    x = 12,502,115,259.74/127,589.64
  6. Step 6: Final answer
    x = 97,986.92

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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.