Home / 106,101.18-159,117.75-99,112.50

Finding the Fourth Proportional to 106,101.18, 159,117.75 and 99,112.50

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Solution

The fourth proportional to 106,101.18, 159,117.75 and 99,112.50 is: 148,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,101.18 : 159,117.75 = 99,112.50 : x
  2. Step 2: Convert to fraction form
    106,101.18/159,117.75 = 99,112.50/x
  3. Step 3: Cross multiply
    106,101.18x = 159,117.75 × 99,112.50
  4. Step 4: Simplify right side
    106,101.18x = 15,770,557,996.88
  5. Step 5: Solve for x
    x = 15,770,557,996.88/106,101.18
  6. Step 6: Final answer
    x = 148,636.97

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1.5x scale

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.