Home / 97,856.10-146,784.15-66,363.30

Finding the Fourth Proportional to 97,856.10, 146,784.15 and 66,363.30

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Solution

The fourth proportional to 97,856.10, 146,784.15 and 66,363.30 is: 99,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,856.10 : 146,784.15 = 66,363.30 : x
  2. Step 2: Convert to fraction form
    97,856.10/146,784.15 = 66,363.30/x
  3. Step 3: Cross multiply
    97,856.10x = 146,784.15 × 66,363.30
  4. Step 4: Simplify right side
    97,856.10x = 9,741,080,581.70
  5. Step 5: Solve for x
    x = 9,741,080,581.70/97,856.10
  6. Step 6: Final answer
    x = 99,544.95

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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.