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Finding the Fourth Proportional to 169,728.78, 234,233.13 and 94,277.28

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Solution

The fourth proportional to 169,728.78, 234,233.13 and 94,277.28 is: 130,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,728.78 : 234,233.13 = 94,277.28 : x
  2. Step 2: Convert to fraction form
    169,728.78/234,233.13 = 94,277.28/x
  3. Step 3: Cross multiply
    169,728.78x = 234,233.13 × 94,277.28
  4. Step 4: Simplify right side
    169,728.78x = 22,082,862,382.29
  5. Step 5: Solve for x
    x = 22,082,862,382.29/169,728.78
  6. Step 6: Final answer
    x = 130,106.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.