Home / 230,542.29-318,149.76-128,574.24

Finding the Fourth Proportional to 230,542.29, 318,149.76 and 128,574.24

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Solution

The fourth proportional to 230,542.29, 318,149.76 and 128,574.24 is: 177,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,542.29 : 318,149.76 = 128,574.24 : x
  2. Step 2: Convert to fraction form
    230,542.29/318,149.76 = 128,574.24/x
  3. Step 3: Cross multiply
    230,542.29x = 318,149.76 × 128,574.24
  4. Step 4: Simplify right side
    230,542.29x = 40,905,863,598.18
  5. Step 5: Solve for x
    x = 40,905,863,598.18/230,542.29
  6. Step 6: Final answer
    x = 177,433.23

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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.