Home / 99,266.40-148,899.60-54,870.30

Finding the Fourth Proportional to 99,266.40, 148,899.60 and 54,870.30

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Solution

The fourth proportional to 99,266.40, 148,899.60 and 54,870.30 is: 82,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,266.40 : 148,899.60 = 54,870.30 : x
  2. Step 2: Convert to fraction form
    99,266.40/148,899.60 = 54,870.30/x
  3. Step 3: Cross multiply
    99,266.40x = 148,899.60 × 54,870.30
  4. Step 4: Simplify right side
    99,266.40x = 8,170,165,721.88
  5. Step 5: Solve for x
    x = 8,170,165,721.88/99,266.40
  6. Step 6: Final answer
    x = 82,305.45

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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.