Home / 73,848.30-110,772.45-68,145.90

Finding the Fourth Proportional to 73,848.30, 110,772.45 and 68,145.90

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Solution

The fourth proportional to 73,848.30, 110,772.45 and 68,145.90 is: 102,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,848.30 : 110,772.45 = 68,145.90 : x
  2. Step 2: Convert to fraction form
    73,848.30/110,772.45 = 68,145.90/x
  3. Step 3: Cross multiply
    73,848.30x = 110,772.45 × 68,145.90
  4. Step 4: Simplify right side
    73,848.30x = 7,548,688,300.46
  5. Step 5: Solve for x
    x = 7,548,688,300.46/73,848.30
  6. Step 6: Final answer
    x = 102,218.85

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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.