Home / 109,158.55-163,728.44-66,452.89

Finding the Fourth Proportional to 109,158.55, 163,728.44 and 66,452.89

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Solution

The fourth proportional to 109,158.55, 163,728.44 and 66,452.89 is: 99,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,158.55 : 163,728.44 = 66,452.89 : x
  2. Step 2: Convert to fraction form
    109,158.55/163,728.44 = 66,452.89/x
  3. Step 3: Cross multiply
    109,158.55x = 163,728.44 × 66,452.89
  4. Step 4: Simplify right side
    109,158.55x = 10,880,227,901.82
  5. Step 5: Solve for x
    x = 10,880,227,901.82/109,158.55
  6. Step 6: Final answer
    x = 99,673.62

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1.5x scale

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.