Home / 124,998.75-172,501.71-71,292.51

Finding the Fourth Proportional to 124,998.75, 172,501.71 and 71,292.51

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Solution

The fourth proportional to 124,998.75, 172,501.71 and 71,292.51 is: 98,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,998.75 : 172,501.71 = 71,292.51 : x
  2. Step 2: Convert to fraction form
    124,998.75/172,501.71 = 71,292.51/x
  3. Step 3: Cross multiply
    124,998.75x = 172,501.71 × 71,292.51
  4. Step 4: Simplify right side
    124,998.75x = 12,298,079,022.68
  5. Step 5: Solve for x
    x = 12,298,079,022.68/124,998.75
  6. Step 6: Final answer
    x = 98,385.62

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1.5x scale

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.