Home / 109,082.16-163,605.02-30,204.36

Finding the Fourth Proportional to 109,082.16, 163,605.02 and 30,204.36

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Solution

The fourth proportional to 109,082.16, 163,605.02 and 30,204.36 is: 45,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,082.16 : 163,605.02 = 30,204.36 : x
  2. Step 2: Convert to fraction form
    109,082.16/163,605.02 = 30,204.36/x
  3. Step 3: Cross multiply
    109,082.16x = 163,605.02 × 30,204.36
  4. Step 4: Simplify right side
    109,082.16x = 4,941,584,770.87
  5. Step 5: Solve for x
    x = 4,941,584,770.87/109,082.16
  6. Step 6: Final answer
    x = 45,301.49

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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.