Home / 124,842.78-172,283.76-68,254.16

Finding the Fourth Proportional to 124,842.78, 172,283.76 and 68,254.16

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Solution

The fourth proportional to 124,842.78, 172,283.76 and 68,254.16 is: 94,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,842.78 : 172,283.76 = 68,254.16 : x
  2. Step 2: Convert to fraction form
    124,842.78/172,283.76 = 68,254.16/x
  3. Step 3: Cross multiply
    124,842.78x = 172,283.76 × 68,254.16
  4. Step 4: Simplify right side
    124,842.78x = 11,759,082,459.02
  5. Step 5: Solve for x
    x = 11,759,082,459.02/124,842.78
  6. Step 6: Final answer
    x = 94,191.13

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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.