Home / 124,666.89-172,040.94-68,078.28

Finding the Fourth Proportional to 124,666.89, 172,040.94 and 68,078.28

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Solution

The fourth proportional to 124,666.89, 172,040.94 and 68,078.28 is: 93,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,666.89 : 172,040.94 = 68,078.28 : x
  2. Step 2: Convert to fraction form
    124,666.89/172,040.94 = 68,078.28/x
  3. Step 3: Cross multiply
    124,666.89x = 172,040.94 × 68,078.28
  4. Step 4: Simplify right side
    124,666.89x = 11,712,251,284.78
  5. Step 5: Solve for x
    x = 11,712,251,284.78/124,666.89
  6. Step 6: Final answer
    x = 93,948.37

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1.5x scale

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.