Home / 121,156.39-181,763.34-38,050.39

Finding the Fourth Proportional to 121,156.39, 181,763.34 and 38,050.39

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Solution

The fourth proportional to 121,156.39, 181,763.34 and 38,050.39 is: 57,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,156.39 : 181,763.34 = 38,050.39 : x
  2. Step 2: Convert to fraction form
    121,156.39/181,763.34 = 38,050.39/x
  3. Step 3: Cross multiply
    121,156.39x = 181,763.34 × 38,050.39
  4. Step 4: Simplify right side
    121,156.39x = 6,916,165,974.70
  5. Step 5: Solve for x
    x = 6,916,165,974.70/121,156.39
  6. Step 6: Final answer
    x = 57,084.62

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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.