Home / 185,753.03-278,539.41-90,872.08

Finding the Fourth Proportional to 185,753.03, 278,539.41 and 90,872.08

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Solution

The fourth proportional to 185,753.03, 278,539.41 and 90,872.08 is: 136,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,753.03 : 278,539.41 = 90,872.08 : x
  2. Step 2: Convert to fraction form
    185,753.03/278,539.41 = 90,872.08/x
  3. Step 3: Cross multiply
    185,753.03x = 278,539.41 × 90,872.08
  4. Step 4: Simplify right side
    185,753.03x = 25,311,455,548.67
  5. Step 5: Solve for x
    x = 25,311,455,548.67/185,753.03
  6. Step 6: Final answer
    x = 136,264.03

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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.