Home / 124,803.21-172,208.52-71,089.29

Finding the Fourth Proportional to 124,803.21, 172,208.52 and 71,089.29

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Solution

The fourth proportional to 124,803.21, 172,208.52 and 71,089.29 is: 98,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,803.21 : 172,208.52 = 71,089.29 : x
  2. Step 2: Convert to fraction form
    124,803.21/172,208.52 = 71,089.29/x
  3. Step 3: Cross multiply
    124,803.21x = 172,208.52 × 71,089.29
  4. Step 4: Simplify right side
    124,803.21x = 12,242,181,418.75
  5. Step 5: Solve for x
    x = 12,242,181,418.75/124,803.21
  6. Step 6: Final answer
    x = 98,091.88

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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.