Home / 120,885.92-181,362.90-42,008.12

Finding the Fourth Proportional to 120,885.92, 181,362.90 and 42,008.12

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Solution

The fourth proportional to 120,885.92, 181,362.90 and 42,008.12 is: 63,024.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,885.92 : 181,362.90 = 42,008.12 : x
  2. Step 2: Convert to fraction form
    120,885.92/181,362.90 = 42,008.12/x
  3. Step 3: Cross multiply
    120,885.92x = 181,362.90 × 42,008.12
  4. Step 4: Simplify right side
    120,885.92x = 7,618,714,466.75
  5. Step 5: Solve for x
    x = 7,618,714,466.75/120,885.92
  6. Step 6: Final answer
    x = 63,024.00

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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.