Home / 120,896.10-181,240.20-42,000.06

Finding the Fourth Proportional to 120,896.10, 181,240.20 and 42,000.06

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Solution

The fourth proportional to 120,896.10, 181,240.20 and 42,000.06 is: 62,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,896.10 : 181,240.20 = 42,000.06 : x
  2. Step 2: Convert to fraction form
    120,896.10/181,240.20 = 42,000.06/x
  3. Step 3: Cross multiply
    120,896.10x = 181,240.20 × 42,000.06
  4. Step 4: Simplify right side
    120,896.10x = 7,612,099,274.41
  5. Step 5: Solve for x
    x = 7,612,099,274.41/120,896.10
  6. Step 6: Final answer
    x = 62,963.98

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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.