Home / 121,170.17-181,755.36-57,975.39

Finding the Fourth Proportional to 121,170.17, 181,755.36 and 57,975.39

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Solution

The fourth proportional to 121,170.17, 181,755.36 and 57,975.39 is: 86,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,170.17 : 181,755.36 = 57,975.39 : x
  2. Step 2: Convert to fraction form
    121,170.17/181,755.36 = 57,975.39/x
  3. Step 3: Cross multiply
    121,170.17x = 181,755.36 × 57,975.39
  4. Step 4: Simplify right side
    121,170.17x = 10,537,337,880.59
  5. Step 5: Solve for x
    x = 10,537,337,880.59/121,170.17
  6. Step 6: Final answer
    x = 86,963.13

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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.