Home / 120,570.98-180,561.17-84,944.75

Finding the Fourth Proportional to 120,570.98, 180,561.17 and 84,944.75

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Solution

The fourth proportional to 120,570.98, 180,561.17 and 84,944.75 is: 127,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,570.98 : 180,561.17 = 84,944.75 : x
  2. Step 2: Convert to fraction form
    120,570.98/180,561.17 = 84,944.75/x
  3. Step 3: Cross multiply
    120,570.98x = 180,561.17 × 84,944.75
  4. Step 4: Simplify right side
    120,570.98x = 15,337,722,117.83
  5. Step 5: Solve for x
    x = 15,337,722,117.83/120,570.98
  6. Step 6: Final answer
    x = 127,209.07

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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.