Home / 127,814.28-176,268.60-80,071.80

Finding the Fourth Proportional to 127,814.28, 176,268.60 and 80,071.80

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Solution

The fourth proportional to 127,814.28, 176,268.60 and 80,071.80 is: 110,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.28 : 176,268.60 = 80,071.80 : x
  2. Step 2: Convert to fraction form
    127,814.28/176,268.60 = 80,071.80/x
  3. Step 3: Cross multiply
    127,814.28x = 176,268.60 × 80,071.80
  4. Step 4: Simplify right side
    127,814.28x = 14,114,144,085.48
  5. Step 5: Solve for x
    x = 14,114,144,085.48/127,814.28
  6. Step 6: Final answer
    x = 110,426.97

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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.