Home / 141,351.54-195,068.70-77,690.94

Finding the Fourth Proportional to 141,351.54, 195,068.70 and 77,690.94

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Solution

The fourth proportional to 141,351.54, 195,068.70 and 77,690.94 is: 107,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,351.54 : 195,068.70 = 77,690.94 : x
  2. Step 2: Convert to fraction form
    141,351.54/195,068.70 = 77,690.94/x
  3. Step 3: Cross multiply
    141,351.54x = 195,068.70 × 77,690.94
  4. Step 4: Simplify right side
    141,351.54x = 15,155,070,667.58
  5. Step 5: Solve for x
    x = 15,155,070,667.58/141,351.54
  6. Step 6: Final answer
    x = 107,215.46

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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.