Home / 102,971.04-154,479.20-58,618.56

Finding the Fourth Proportional to 102,971.04, 154,479.20 and 58,618.56

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Solution

The fourth proportional to 102,971.04, 154,479.20 and 58,618.56 is: 87,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,971.04 : 154,479.20 = 58,618.56 : x
  2. Step 2: Convert to fraction form
    102,971.04/154,479.20 = 58,618.56/x
  3. Step 3: Cross multiply
    102,971.04x = 154,479.20 × 58,618.56
  4. Step 4: Simplify right side
    102,971.04x = 9,055,348,253.95
  5. Step 5: Solve for x
    x = 9,055,348,253.95/102,971.04
  6. Step 6: Final answer
    x = 87,940.73

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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.