Home / 142,213.01-213,350.30-42,381.24

Finding the Fourth Proportional to 142,213.01, 213,350.30 and 42,381.24

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Solution

The fourth proportional to 142,213.01, 213,350.30 and 42,381.24 is: 63,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,213.01 : 213,350.30 = 42,381.24 : x
  2. Step 2: Convert to fraction form
    142,213.01/213,350.30 = 42,381.24/x
  3. Step 3: Cross multiply
    142,213.01x = 213,350.30 × 42,381.24
  4. Step 4: Simplify right side
    142,213.01x = 9,042,049,415.33
  5. Step 5: Solve for x
    x = 9,042,049,415.33/142,213.01
  6. Step 6: Final answer
    x = 63,581.03

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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.