Home / 121,208.10-181,812.15-32,475.30

Finding the Fourth Proportional to 121,208.10, 181,812.15 and 32,475.30

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Solution

The fourth proportional to 121,208.10, 181,812.15 and 32,475.30 is: 48,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,208.10 : 181,812.15 = 32,475.30 : x
  2. Step 2: Convert to fraction form
    121,208.10/181,812.15 = 32,475.30/x
  3. Step 3: Cross multiply
    121,208.10x = 181,812.15 × 32,475.30
  4. Step 4: Simplify right side
    121,208.10x = 5,904,404,114.90
  5. Step 5: Solve for x
    x = 5,904,404,114.90/121,208.10
  6. Step 6: Final answer
    x = 48,712.95

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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.