Home / 121,350.38-182,107.54-42,465.28

Finding the Fourth Proportional to 121,350.38, 182,107.54 and 42,465.28

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Solution

The fourth proportional to 121,350.38, 182,107.54 and 42,465.28 is: 63,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,350.38 : 182,107.54 = 42,465.28 : x
  2. Step 2: Convert to fraction form
    121,350.38/182,107.54 = 42,465.28/x
  3. Step 3: Cross multiply
    121,350.38x = 182,107.54 × 42,465.28
  4. Step 4: Simplify right side
    121,350.38x = 7,733,247,676.21
  5. Step 5: Solve for x
    x = 7,733,247,676.21/121,350.38
  6. Step 6: Final answer
    x = 63,726.60

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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.