Home / 143,823.76-215,735.49-38,642.74

Finding the Fourth Proportional to 143,823.76, 215,735.49 and 38,642.74

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Solution

The fourth proportional to 143,823.76, 215,735.49 and 38,642.74 is: 57,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,823.76 : 215,735.49 = 38,642.74 : x
  2. Step 2: Convert to fraction form
    143,823.76/215,735.49 = 38,642.74/x
  3. Step 3: Cross multiply
    143,823.76x = 215,735.49 × 38,642.74
  4. Step 4: Simplify right side
    143,823.76x = 8,336,609,909.50
  5. Step 5: Solve for x
    x = 8,336,609,909.50/143,823.76
  6. Step 6: Final answer
    x = 57,964.07

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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.