Home / 230,747.16-318,431.34-130,145.16

Finding the Fourth Proportional to 230,747.16, 318,431.34 and 130,145.16

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Solution

The fourth proportional to 230,747.16, 318,431.34 and 130,145.16 is: 179,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,747.16 : 318,431.34 = 130,145.16 : x
  2. Step 2: Convert to fraction form
    230,747.16/318,431.34 = 130,145.16/x
  3. Step 3: Cross multiply
    230,747.16x = 318,431.34 × 130,145.16
  4. Step 4: Simplify right side
    230,747.16x = 41,442,297,693.31
  5. Step 5: Solve for x
    x = 41,442,297,693.31/230,747.16
  6. Step 6: Final answer
    x = 179,600.47

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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.