Home / 102,948.12-154,434.66-36,374.61

Finding the Fourth Proportional to 102,948.12, 154,434.66 and 36,374.61

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Solution

The fourth proportional to 102,948.12, 154,434.66 and 36,374.61 is: 54,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,948.12 : 154,434.66 = 36,374.61 : x
  2. Step 2: Convert to fraction form
    102,948.12/154,434.66 = 36,374.61/x
  3. Step 3: Cross multiply
    102,948.12x = 154,434.66 × 36,374.61
  4. Step 4: Simplify right side
    102,948.12x = 5,617,500,527.98
  5. Step 5: Solve for x
    x = 5,617,500,527.98/102,948.12
  6. Step 6: Final answer
    x = 54,566.32

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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.