Home / 144,084.24-216,134.64-38,911.68

Finding the Fourth Proportional to 144,084.24, 216,134.64 and 38,911.68

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Solution

The fourth proportional to 144,084.24, 216,134.64 and 38,911.68 is: 58,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,084.24 : 216,134.64 = 38,911.68 : x
  2. Step 2: Convert to fraction form
    144,084.24/216,134.64 = 38,911.68/x
  3. Step 3: Cross multiply
    144,084.24x = 216,134.64 × 38,911.68
  4. Step 4: Simplify right side
    144,084.24x = 8,410,161,948.60
  5. Step 5: Solve for x
    x = 8,410,161,948.60/144,084.24
  6. Step 6: Final answer
    x = 58,369.76

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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.