Home / 141,172.69-194,821.46-77,510.74

Finding the Fourth Proportional to 141,172.69, 194,821.46 and 77,510.74

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Solution

The fourth proportional to 141,172.69, 194,821.46 and 77,510.74 is: 106,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,172.69 : 194,821.46 = 77,510.74 : x
  2. Step 2: Convert to fraction form
    141,172.69/194,821.46 = 77,510.74/x
  3. Step 3: Cross multiply
    141,172.69x = 194,821.46 × 77,510.74
  4. Step 4: Simplify right side
    141,172.69x = 15,100,755,532.48
  5. Step 5: Solve for x
    x = 15,100,755,532.48/141,172.69
  6. Step 6: Final answer
    x = 106,966.55

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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.