Home / 345,878.04-518,832.92-105,974.76

Finding the Fourth Proportional to 345,878.04, 518,832.92 and 105,974.76

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Solution

The fourth proportional to 345,878.04, 518,832.92 and 105,974.76 is: 158,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,878.04 : 518,832.92 = 105,974.76 : x
  2. Step 2: Convert to fraction form
    345,878.04/518,832.92 = 105,974.76/x
  3. Step 3: Cross multiply
    345,878.04x = 518,832.92 × 105,974.76
  4. Step 4: Simplify right side
    345,878.04x = 54,983,194,177.10
  5. Step 5: Solve for x
    x = 54,983,194,177.10/345,878.04
  6. Step 6: Final answer
    x = 158,967.00

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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.