Home / 102,423.79-153,530.16-39,226.69

Finding the Fourth Proportional to 102,423.79, 153,530.16 and 39,226.69

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Solution

The fourth proportional to 102,423.79, 153,530.16 and 39,226.69 is: 58,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,423.79 : 153,530.16 = 39,226.69 : x
  2. Step 2: Convert to fraction form
    102,423.79/153,530.16 = 39,226.69/x
  3. Step 3: Cross multiply
    102,423.79x = 153,530.16 × 39,226.69
  4. Step 4: Simplify right side
    102,423.79x = 6,022,479,991.97
  5. Step 5: Solve for x
    x = 6,022,479,991.97/102,423.79
  6. Step 6: Final answer
    x = 58,799.62

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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.