Home / 230,744.16-318,427.20-130,142.16

Finding the Fourth Proportional to 230,744.16, 318,427.20 and 130,142.16

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Solution

The fourth proportional to 230,744.16, 318,427.20 and 130,142.16 is: 179,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,744.16 : 318,427.20 = 130,142.16 : x
  2. Step 2: Convert to fraction form
    230,744.16/318,427.20 = 130,142.16/x
  3. Step 3: Cross multiply
    230,744.16x = 318,427.20 × 130,142.16
  4. Step 4: Simplify right side
    230,744.16x = 41,440,803,610.75
  5. Step 5: Solve for x
    x = 41,440,803,610.75/230,744.16
  6. Step 6: Final answer
    x = 179,596.33

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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.