Home / 142,621.38-213,923.43-37,438.02

Finding the Fourth Proportional to 142,621.38, 213,923.43 and 37,438.02

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Solution

The fourth proportional to 142,621.38, 213,923.43 and 37,438.02 is: 56,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,621.38 : 213,923.43 = 37,438.02 : x
  2. Step 2: Convert to fraction form
    142,621.38/213,923.43 = 37,438.02/x
  3. Step 3: Cross multiply
    142,621.38x = 213,923.43 × 37,438.02
  4. Step 4: Simplify right side
    142,621.38x = 8,008,869,650.81
  5. Step 5: Solve for x
    x = 8,008,869,650.81/142,621.38
  6. Step 6: Final answer
    x = 56,154.76

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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.