Home / 143,570.64-215,338.68-38,387.28

Finding the Fourth Proportional to 143,570.64, 215,338.68 and 38,387.28

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Solution

The fourth proportional to 143,570.64, 215,338.68 and 38,387.28 is: 57,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,570.64 : 215,338.68 = 38,387.28 : x
  2. Step 2: Convert to fraction form
    143,570.64/215,338.68 = 38,387.28/x
  3. Step 3: Cross multiply
    143,570.64x = 215,338.68 × 38,387.28
  4. Step 4: Simplify right side
    143,570.64x = 8,266,266,203.99
  5. Step 5: Solve for x
    x = 8,266,266,203.99/143,570.64
  6. Step 6: Final answer
    x = 57,576.30

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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.