Home / 141,417.45-195,156.05-77,759.37

Finding the Fourth Proportional to 141,417.45, 195,156.05 and 77,759.37

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Solution

The fourth proportional to 141,417.45, 195,156.05 and 77,759.37 is: 107,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,417.45 : 195,156.05 = 77,759.37 : x
  2. Step 2: Convert to fraction form
    141,417.45/195,156.05 = 77,759.37/x
  3. Step 3: Cross multiply
    141,417.45x = 195,156.05 × 77,759.37
  4. Step 4: Simplify right side
    141,417.45x = 15,175,211,110.89
  5. Step 5: Solve for x
    x = 15,175,211,110.89/141,417.45
  6. Step 6: Final answer
    x = 107,307.91

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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.