Home / 124,933.77-172,412.76-68,345.15

Finding the Fourth Proportional to 124,933.77, 172,412.76 and 68,345.15

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Solution

The fourth proportional to 124,933.77, 172,412.76 and 68,345.15 is: 94,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,933.77 : 172,412.76 = 68,345.15 : x
  2. Step 2: Convert to fraction form
    124,933.77/172,412.76 = 68,345.15/x
  3. Step 3: Cross multiply
    124,933.77x = 172,412.76 × 68,345.15
  4. Step 4: Simplify right side
    124,933.77x = 11,783,575,082.05
  5. Step 5: Solve for x
    x = 11,783,575,082.05/124,933.77
  6. Step 6: Final answer
    x = 94,318.57

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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.