Home / 141,459.62-195,210.38-77,797.44

Finding the Fourth Proportional to 141,459.62, 195,210.38 and 77,797.44

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Solution

The fourth proportional to 141,459.62, 195,210.38 and 77,797.44 is: 107,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,459.62 : 195,210.38 = 77,797.44 : x
  2. Step 2: Convert to fraction form
    141,459.62/195,210.38 = 77,797.44/x
  3. Step 3: Cross multiply
    141,459.62x = 195,210.38 × 77,797.44
  4. Step 4: Simplify right side
    141,459.62x = 15,186,867,825.43
  5. Step 5: Solve for x
    x = 15,186,867,825.43/141,459.62
  6. Step 6: Final answer
    x = 107,358.32

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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.