Home / 124,735.04-172,134.53-71,020.08

Finding the Fourth Proportional to 124,735.04, 172,134.53 and 71,020.08

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Solution

The fourth proportional to 124,735.04, 172,134.53 and 71,020.08 is: 98,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,735.04 : 172,134.53 = 71,020.08 : x
  2. Step 2: Convert to fraction form
    124,735.04/172,134.53 = 71,020.08/x
  3. Step 3: Cross multiply
    124,735.04x = 172,134.53 × 71,020.08
  4. Step 4: Simplify right side
    124,735.04x = 12,225,007,736.26
  5. Step 5: Solve for x
    x = 12,225,007,736.26/124,735.04
  6. Step 6: Final answer
    x = 98,007.81

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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.