Home / 142,044.20-213,099.06-42,202.16

Finding the Fourth Proportional to 142,044.20, 213,099.06 and 42,202.16

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Solution

The fourth proportional to 142,044.20, 213,099.06 and 42,202.16 is: 63,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,044.20 : 213,099.06 = 42,202.16 : x
  2. Step 2: Convert to fraction form
    142,044.20/213,099.06 = 42,202.16/x
  3. Step 3: Cross multiply
    142,044.20x = 213,099.06 × 42,202.16
  4. Step 4: Simplify right side
    142,044.20x = 8,993,240,625.97
  5. Step 5: Solve for x
    x = 8,993,240,625.97/142,044.20
  6. Step 6: Final answer
    x = 63,312.97

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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.