Home / 102,860.78-154,303.50-36,287.18

Finding the Fourth Proportional to 102,860.78, 154,303.50 and 36,287.18

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Solution

The fourth proportional to 102,860.78, 154,303.50 and 36,287.18 is: 54,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,860.78 : 154,303.50 = 36,287.18 : x
  2. Step 2: Convert to fraction form
    102,860.78/154,303.50 = 36,287.18/x
  3. Step 3: Cross multiply
    102,860.78x = 154,303.50 × 36,287.18
  4. Step 4: Simplify right side
    102,860.78x = 5,599,238,107.61
  5. Step 5: Solve for x
    x = 5,599,238,107.61/102,860.78
  6. Step 6: Final answer
    x = 54,435.11

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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.