Home / 240,516.93-360,668.79-128,176.23

Finding the Fourth Proportional to 240,516.93, 360,668.79 and 128,176.23

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Solution

The fourth proportional to 240,516.93, 360,668.79 and 128,176.23 is: 192,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,516.93 : 360,668.79 = 128,176.23 : x
  2. Step 2: Convert to fraction form
    240,516.93/360,668.79 = 128,176.23/x
  3. Step 3: Cross multiply
    240,516.93x = 360,668.79 × 128,176.23
  4. Step 4: Simplify right side
    240,516.93x = 46,229,165,780.86
  5. Step 5: Solve for x
    x = 46,229,165,780.86/240,516.93
  6. Step 6: Final answer
    x = 192,207.53

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1.5x scale

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.