Home / 137,456.01-189,701.34-80,092.35

Finding the Fourth Proportional to 137,456.01, 189,701.34 and 80,092.35

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Solution

The fourth proportional to 137,456.01, 189,701.34 and 80,092.35 is: 110,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,456.01 : 189,701.34 = 80,092.35 : x
  2. Step 2: Convert to fraction form
    137,456.01/189,701.34 = 80,092.35/x
  3. Step 3: Cross multiply
    137,456.01x = 189,701.34 × 80,092.35
  4. Step 4: Simplify right side
    137,456.01x = 15,193,626,118.75
  5. Step 5: Solve for x
    x = 15,193,626,118.75/137,456.01
  6. Step 6: Final answer
    x = 110,534.46

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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.