Home / 124,744.86-172,146.33-68,156.10

Finding the Fourth Proportional to 124,744.86, 172,146.33 and 68,156.10

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Solution

The fourth proportional to 124,744.86, 172,146.33 and 68,156.10 is: 94,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.86 : 172,146.33 = 68,156.10 : x
  2. Step 2: Convert to fraction form
    124,744.86/172,146.33 = 68,156.10/x
  3. Step 3: Cross multiply
    124,744.86x = 172,146.33 × 68,156.10
  4. Step 4: Simplify right side
    124,744.86x = 11,732,822,482.11
  5. Step 5: Solve for x
    x = 11,732,822,482.11/124,744.86
  6. Step 6: Final answer
    x = 94,054.56

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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.