Home / 142,043.12-213,057.32-42,204.14

Finding the Fourth Proportional to 142,043.12, 213,057.32 and 42,204.14

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Solution

The fourth proportional to 142,043.12, 213,057.32 and 42,204.14 is: 63,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,043.12 : 213,057.32 = 42,204.14 : x
  2. Step 2: Convert to fraction form
    142,043.12/213,057.32 = 42,204.14/x
  3. Step 3: Cross multiply
    142,043.12x = 213,057.32 × 42,204.14
  4. Step 4: Simplify right side
    142,043.12x = 8,991,899,685.00
  5. Step 5: Solve for x
    x = 8,991,899,685.00/142,043.12
  6. Step 6: Final answer
    x = 63,304.02

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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.