Home / 172,140.75-237,576.51-96,689.25

Finding the Fourth Proportional to 172,140.75, 237,576.51 and 96,689.25

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Solution

The fourth proportional to 172,140.75, 237,576.51 and 96,689.25 is: 133,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,140.75 : 237,576.51 = 96,689.25 : x
  2. Step 2: Convert to fraction form
    172,140.75/237,576.51 = 96,689.25/x
  3. Step 3: Cross multiply
    172,140.75x = 237,576.51 × 96,689.25
  4. Step 4: Simplify right side
    172,140.75x = 22,971,094,569.52
  5. Step 5: Solve for x
    x = 22,971,094,569.52/172,140.75
  6. Step 6: Final answer
    x = 133,443.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.