Home / 124,903.95-172,383.87-71,176.65

Finding the Fourth Proportional to 124,903.95, 172,383.87 and 71,176.65

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Solution

The fourth proportional to 124,903.95, 172,383.87 and 71,176.65 is: 98,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,903.95 : 172,383.87 = 71,176.65 : x
  2. Step 2: Convert to fraction form
    124,903.95/172,383.87 = 71,176.65/x
  3. Step 3: Cross multiply
    124,903.95x = 172,383.87 × 71,176.65
  4. Step 4: Simplify right side
    124,903.95x = 12,269,706,380.64
  5. Step 5: Solve for x
    x = 12,269,706,380.64/124,903.95
  6. Step 6: Final answer
    x = 98,233.13

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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.