Home / 141,513.38-195,288.47-77,851.19

Finding the Fourth Proportional to 141,513.38, 195,288.47 and 77,851.19

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Solution

The fourth proportional to 141,513.38, 195,288.47 and 77,851.19 is: 107,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,513.38 : 195,288.47 = 77,851.19 : x
  2. Step 2: Convert to fraction form
    141,513.38/195,288.47 = 77,851.19/x
  3. Step 3: Cross multiply
    141,513.38x = 195,288.47 × 77,851.19
  4. Step 4: Simplify right side
    141,513.38x = 15,203,440,173.69
  5. Step 5: Solve for x
    x = 15,203,440,173.69/141,513.38
  6. Step 6: Final answer
    x = 107,434.65

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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.