Home / 141,351.11-195,056.27-77,688.95

Finding the Fourth Proportional to 141,351.11, 195,056.27 and 77,688.95

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Solution

The fourth proportional to 141,351.11, 195,056.27 and 77,688.95 is: 107,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,351.11 : 195,056.27 = 77,688.95 : x
  2. Step 2: Convert to fraction form
    141,351.11/195,056.27 = 77,688.95/x
  3. Step 3: Cross multiply
    141,351.11x = 195,056.27 × 77,688.95
  4. Step 4: Simplify right side
    141,351.11x = 15,153,715,443.49
  5. Step 5: Solve for x
    x = 15,153,715,443.49/141,351.11
  6. Step 6: Final answer
    x = 107,206.20

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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.