Home / 141,359.09-195,073.02-77,696.87

Finding the Fourth Proportional to 141,359.09, 195,073.02 and 77,696.87

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Solution

The fourth proportional to 141,359.09, 195,073.02 and 77,696.87 is: 107,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,359.09 : 195,073.02 = 77,696.87 : x
  2. Step 2: Convert to fraction form
    141,359.09/195,073.02 = 77,696.87/x
  3. Step 3: Cross multiply
    141,359.09x = 195,073.02 × 77,696.87
  4. Step 4: Simplify right side
    141,359.09x = 15,156,562,100.08
  5. Step 5: Solve for x
    x = 15,156,562,100.08/141,359.09
  6. Step 6: Final answer
    x = 107,220.29

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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.