Home / 282,878.12-424,257.42-83,144.18

Finding the Fourth Proportional to 282,878.12, 424,257.42 and 83,144.18

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Solution

The fourth proportional to 282,878.12, 424,257.42 and 83,144.18 is: 124,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,878.12 : 424,257.42 = 83,144.18 : x
  2. Step 2: Convert to fraction form
    282,878.12/424,257.42 = 83,144.18/x
  3. Step 3: Cross multiply
    282,878.12x = 424,257.42 × 83,144.18
  4. Step 4: Simplify right side
    282,878.12x = 35,274,535,294.82
  5. Step 5: Solve for x
    x = 35,274,535,294.82/282,878.12
  6. Step 6: Final answer
    x = 124,698.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.