Home / 121,264.10-181,982.55-51,193.70

Finding the Fourth Proportional to 121,264.10, 181,982.55 and 51,193.70

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Solution

The fourth proportional to 121,264.10, 181,982.55 and 51,193.70 is: 76,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264.10 : 181,982.55 = 51,193.70 : x
  2. Step 2: Convert to fraction form
    121,264.10/181,982.55 = 51,193.70/x
  3. Step 3: Cross multiply
    121,264.10x = 181,982.55 × 51,193.70
  4. Step 4: Simplify right side
    121,264.10x = 9,316,360,069.94
  5. Step 5: Solve for x
    x = 9,316,360,069.94/121,264.10
  6. Step 6: Final answer
    x = 76,827.03

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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.