Home / 282,098.12-423,148.74-71,736.20

Finding the Fourth Proportional to 282,098.12, 423,148.74 and 71,736.20

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Solution

The fourth proportional to 282,098.12, 423,148.74 and 71,736.20 is: 107,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,098.12 : 423,148.74 = 71,736.20 : x
  2. Step 2: Convert to fraction form
    282,098.12/423,148.74 = 71,736.20/x
  3. Step 3: Cross multiply
    282,098.12x = 423,148.74 × 71,736.20
  4. Step 4: Simplify right side
    282,098.12x = 30,355,082,642.39
  5. Step 5: Solve for x
    x = 30,355,082,642.39/282,098.12
  6. Step 6: Final answer
    x = 107,604.70

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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.