Home / 153,082.72-229,410.24-74,176

Finding the Fourth Proportional to 153,082.72, 229,410.24 and 74,176

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Solution

The fourth proportional to 153,082.72, 229,410.24 and 74,176 is: 111,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,082.72 : 229,410.24 = 74,176 : x
  2. Step 2: Convert to fraction form
    153,082.72/229,410.24 = 74,176/x
  3. Step 3: Cross multiply
    153,082.72x = 229,410.24 × 74,176
  4. Step 4: Simplify right side
    153,082.72x = 17,016,733,962.24
  5. Step 5: Solve for x
    x = 17,016,733,962.24/153,082.72
  6. Step 6: Final answer
    x = 111,160.38

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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.