Home / 106,312.77-159,469.38-99,817.38

Finding the Fourth Proportional to 106,312.77, 159,469.38 and 99,817.38

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Solution

The fourth proportional to 106,312.77, 159,469.38 and 99,817.38 is: 149,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,312.77 : 159,469.38 = 99,817.38 : x
  2. Step 2: Convert to fraction form
    106,312.77/159,469.38 = 99,817.38/x
  3. Step 3: Cross multiply
    106,312.77x = 159,469.38 × 99,817.38
  4. Step 4: Simplify right side
    106,312.77x = 15,917,815,701.82
  5. Step 5: Solve for x
    x = 15,917,815,701.82/106,312.77
  6. Step 6: Final answer
    x = 149,726.28

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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.