Home / 124,719.54-172,106.55-68,119.98

Finding the Fourth Proportional to 124,719.54, 172,106.55 and 68,119.98

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Solution

The fourth proportional to 124,719.54, 172,106.55 and 68,119.98 is: 94,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,719.54 : 172,106.55 = 68,119.98 : x
  2. Step 2: Convert to fraction form
    124,719.54/172,106.55 = 68,119.98/x
  3. Step 3: Cross multiply
    124,719.54x = 172,106.55 × 68,119.98
  4. Step 4: Simplify right side
    124,719.54x = 11,723,894,743.87
  5. Step 5: Solve for x
    x = 11,723,894,743.87/124,719.54
  6. Step 6: Final answer
    x = 94,002.07

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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.