Home / 141,330.56-195,032.24-77,668.40

Finding the Fourth Proportional to 141,330.56, 195,032.24 and 77,668.40

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Solution

The fourth proportional to 141,330.56, 195,032.24 and 77,668.40 is: 107,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330.56 : 195,032.24 = 77,668.40 : x
  2. Step 2: Convert to fraction form
    141,330.56/195,032.24 = 77,668.40/x
  3. Step 3: Cross multiply
    141,330.56x = 195,032.24 × 77,668.40
  4. Step 4: Simplify right side
    141,330.56x = 15,147,842,029.22
  5. Step 5: Solve for x
    x = 15,147,842,029.22/141,330.56
  6. Step 6: Final answer
    x = 107,180.23

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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.