Home / 121,214.83-181,850.86-38,108.83

Finding the Fourth Proportional to 121,214.83, 181,850.86 and 38,108.83

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Solution

The fourth proportional to 121,214.83, 181,850.86 and 38,108.83 is: 57,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214.83 : 181,850.86 = 38,108.83 : x
  2. Step 2: Convert to fraction form
    121,214.83/181,850.86 = 38,108.83/x
  3. Step 3: Cross multiply
    121,214.83x = 181,850.86 × 38,108.83
  4. Step 4: Simplify right side
    121,214.83x = 6,930,123,102.10
  5. Step 5: Solve for x
    x = 6,930,123,102.10/121,214.83
  6. Step 6: Final answer
    x = 57,172.24

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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.