Home / 120,990.93-181,523.32-61,868.13

Finding the Fourth Proportional to 120,990.93, 181,523.32 and 61,868.13

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Solution

The fourth proportional to 120,990.93, 181,523.32 and 61,868.13 is: 92,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,990.93 : 181,523.32 = 61,868.13 : x
  2. Step 2: Convert to fraction form
    120,990.93/181,523.32 = 61,868.13/x
  3. Step 3: Cross multiply
    120,990.93x = 181,523.32 × 61,868.13
  4. Step 4: Simplify right side
    120,990.93x = 11,230,508,050.45
  5. Step 5: Solve for x
    x = 11,230,508,050.45/120,990.93
  6. Step 6: Final answer
    x = 92,821.07

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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.