Home / 141,468.14-195,227.66-77,807

Finding the Fourth Proportional to 141,468.14, 195,227.66 and 77,807

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Solution

The fourth proportional to 141,468.14, 195,227.66 and 77,807 is: 107,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,468.14 : 195,227.66 = 77,807 : x
  2. Step 2: Convert to fraction form
    141,468.14/195,227.66 = 77,807/x
  3. Step 3: Cross multiply
    141,468.14x = 195,227.66 × 77,807
  4. Step 4: Simplify right side
    141,468.14x = 15,190,078,541.62
  5. Step 5: Solve for x
    x = 15,190,078,541.62/141,468.14
  6. Step 6: Final answer
    x = 107,374.55

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1.5x scale

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.