Home / 143,948.81-215,480.33-93,921.18

Finding the Fourth Proportional to 143,948.81, 215,480.33 and 93,921.18

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Solution

The fourth proportional to 143,948.81, 215,480.33 and 93,921.18 is: 140,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948.81 : 215,480.33 = 93,921.18 : x
  2. Step 2: Convert to fraction form
    143,948.81/215,480.33 = 93,921.18/x
  3. Step 3: Cross multiply
    143,948.81x = 215,480.33 × 93,921.18
  4. Step 4: Simplify right side
    143,948.81x = 20,238,166,390.78
  5. Step 5: Solve for x
    x = 20,238,166,390.78/143,948.81
  6. Step 6: Final answer
    x = 140,592.81

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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.