Home / 282,906.15-424,299.57-83,172.30

Finding the Fourth Proportional to 282,906.15, 424,299.57 and 83,172.30

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Solution

The fourth proportional to 282,906.15, 424,299.57 and 83,172.30 is: 124,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,906.15 : 424,299.57 = 83,172.30 : x
  2. Step 2: Convert to fraction form
    282,906.15/424,299.57 = 83,172.30/x
  3. Step 3: Cross multiply
    282,906.15x = 424,299.57 × 83,172.30
  4. Step 4: Simplify right side
    282,906.15x = 35,289,971,125.91
  5. Step 5: Solve for x
    x = 35,289,971,125.91/282,906.15
  6. Step 6: Final answer
    x = 124,740.91

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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.