Home / 84,841.10-127,261.65-80,002.70

Finding the Fourth Proportional to 84,841.10, 127,261.65 and 80,002.70

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Solution

The fourth proportional to 84,841.10, 127,261.65 and 80,002.70 is: 120,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.10 : 127,261.65 = 80,002.70 : x
  2. Step 2: Convert to fraction form
    84,841.10/127,261.65 = 80,002.70/x
  3. Step 3: Cross multiply
    84,841.10x = 127,261.65 × 80,002.70
  4. Step 4: Simplify right side
    84,841.10x = 10,181,275,606.46
  5. Step 5: Solve for x
    x = 10,181,275,606.46/84,841.10
  6. Step 6: Final answer
    x = 120,004.05

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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.