Home / 112,677.85-168,773.78-106,053.28

Finding the Fourth Proportional to 112,677.85, 168,773.78 and 106,053.28

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Solution

The fourth proportional to 112,677.85, 168,773.78 and 106,053.28 is: 158,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,677.85 : 168,773.78 = 106,053.28 : x
  2. Step 2: Convert to fraction form
    112,677.85/168,773.78 = 106,053.28/x
  3. Step 3: Cross multiply
    112,677.85x = 168,773.78 × 106,053.28
  4. Step 4: Simplify right side
    112,677.85x = 17,899,011,994.80
  5. Step 5: Solve for x
    x = 17,899,011,994.80/112,677.85
  6. Step 6: Final answer
    x = 158,851.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.