Home / 282,348.75-423,523.13-71,986.70

Finding the Fourth Proportional to 282,348.75, 423,523.13 and 71,986.70

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Solution

The fourth proportional to 282,348.75, 423,523.13 and 71,986.70 is: 107,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,348.75 : 423,523.13 = 71,986.70 : x
  2. Step 2: Convert to fraction form
    282,348.75/423,523.13 = 71,986.70/x
  3. Step 3: Cross multiply
    282,348.75x = 423,523.13 × 71,986.70
  4. Step 4: Simplify right side
    282,348.75x = 30,488,030,024.82
  5. Step 5: Solve for x
    x = 30,488,030,024.82/282,348.75
  6. Step 6: Final answer
    x = 107,980.04

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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.