Home / 124,899.03-172,357.13-68,309.19

Finding the Fourth Proportional to 124,899.03, 172,357.13 and 68,309.19

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Solution

The fourth proportional to 124,899.03, 172,357.13 and 68,309.19 is: 94,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,899.03 : 172,357.13 = 68,309.19 : x
  2. Step 2: Convert to fraction form
    124,899.03/172,357.13 = 68,309.19/x
  3. Step 3: Cross multiply
    124,899.03x = 172,357.13 × 68,309.19
  4. Step 4: Simplify right side
    124,899.03x = 11,773,575,599.48
  5. Step 5: Solve for x
    x = 11,773,575,599.48/124,899.03
  6. Step 6: Final answer
    x = 94,264.75

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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.