Home / 141,769.36-195,641.13-77,238.42

Finding the Fourth Proportional to 141,769.36, 195,641.13 and 77,238.42

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Solution

The fourth proportional to 141,769.36, 195,641.13 and 77,238.42 is: 106,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,769.36 : 195,641.13 = 77,238.42 : x
  2. Step 2: Convert to fraction form
    141,769.36/195,641.13 = 77,238.42/x
  3. Step 3: Cross multiply
    141,769.36x = 195,641.13 × 77,238.42
  4. Step 4: Simplify right side
    141,769.36x = 15,111,011,324.20
  5. Step 5: Solve for x
    x = 15,111,011,324.20/141,769.36
  6. Step 6: Final answer
    x = 106,588.70

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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.