Home / 127,853.50-176,365.60-80,023.81

Finding the Fourth Proportional to 127,853.50, 176,365.60 and 80,023.81

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Solution

The fourth proportional to 127,853.50, 176,365.60 and 80,023.81 is: 110,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853.50 : 176,365.60 = 80,023.81 : x
  2. Step 2: Convert to fraction form
    127,853.50/176,365.60 = 80,023.81/x
  3. Step 3: Cross multiply
    127,853.50x = 176,365.60 × 80,023.81
  4. Step 4: Simplify right side
    127,853.50x = 14,113,447,652.80
  5. Step 5: Solve for x
    x = 14,113,447,652.80/127,853.50
  6. Step 6: Final answer
    x = 110,387.65

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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.