Home / 143,569.28-215,337.48-38,396.45

Finding the Fourth Proportional to 143,569.28, 215,337.48 and 38,396.45

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Solution

The fourth proportional to 143,569.28, 215,337.48 and 38,396.45 is: 57,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,569.28 : 215,337.48 = 38,396.45 : x
  2. Step 2: Convert to fraction form
    143,569.28/215,337.48 = 38,396.45/x
  3. Step 3: Cross multiply
    143,569.28x = 215,337.48 × 38,396.45
  4. Step 4: Simplify right side
    143,569.28x = 8,268,193,707.26
  5. Step 5: Solve for x
    x = 8,268,193,707.26/143,569.28
  6. Step 6: Final answer
    x = 57,590.27

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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.