Home / 209,074.73-288,547.85-124,192.13

Finding the Fourth Proportional to 209,074.73, 288,547.85 and 124,192.13

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Solution

The fourth proportional to 209,074.73, 288,547.85 and 124,192.13 is: 171,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,074.73 : 288,547.85 = 124,192.13 : x
  2. Step 2: Convert to fraction form
    209,074.73/288,547.85 = 124,192.13/x
  3. Step 3: Cross multiply
    209,074.73x = 288,547.85 × 124,192.13
  4. Step 4: Simplify right side
    209,074.73x = 35,835,370,966.16
  5. Step 5: Solve for x
    x = 35,835,370,966.16/209,074.73
  6. Step 6: Final answer
    x = 171,399.82

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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.