Home / 102,423.82-153,530.16-39,226.72

Finding the Fourth Proportional to 102,423.82, 153,530.16 and 39,226.72

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Solution

The fourth proportional to 102,423.82, 153,530.16 and 39,226.72 is: 58,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,423.82 : 153,530.16 = 39,226.72 : x
  2. Step 2: Convert to fraction form
    102,423.82/153,530.16 = 39,226.72/x
  3. Step 3: Cross multiply
    102,423.82x = 153,530.16 × 39,226.72
  4. Step 4: Simplify right side
    102,423.82x = 6,022,484,597.88
  5. Step 5: Solve for x
    x = 6,022,484,597.88/102,423.82
  6. Step 6: Final answer
    x = 58,799.65

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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.