Home / 142,420.20-213,614.10-37,249.80

Finding the Fourth Proportional to 142,420.20, 213,614.10 and 37,249.80

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Solution

The fourth proportional to 142,420.20, 213,614.10 and 37,249.80 is: 55,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,420.20 : 213,614.10 = 37,249.80 : x
  2. Step 2: Convert to fraction form
    142,420.20/213,614.10 = 37,249.80/x
  3. Step 3: Cross multiply
    142,420.20x = 213,614.10 × 37,249.80
  4. Step 4: Simplify right side
    142,420.20x = 7,957,082,502.18
  5. Step 5: Solve for x
    x = 7,957,082,502.18/142,420.20
  6. Step 6: Final answer
    x = 55,870.46

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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.