Home / 141,424.58-195,166.65-77,766.50

Finding the Fourth Proportional to 141,424.58, 195,166.65 and 77,766.50

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Solution

The fourth proportional to 141,424.58, 195,166.65 and 77,766.50 is: 107,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,424.58 : 195,166.65 = 77,766.50 : x
  2. Step 2: Convert to fraction form
    141,424.58/195,166.65 = 77,766.50/x
  3. Step 3: Cross multiply
    141,424.58x = 195,166.65 × 77,766.50
  4. Step 4: Simplify right side
    141,424.58x = 15,177,427,287.23
  5. Step 5: Solve for x
    x = 15,177,427,287.23/141,424.58
  6. Step 6: Final answer
    x = 107,318.17

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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.