Home / 107,758.70-161,637.94-28,870.77

Finding the Fourth Proportional to 107,758.70, 161,637.94 and 28,870.77

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Solution

The fourth proportional to 107,758.70, 161,637.94 and 28,870.77 is: 43,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,758.70 : 161,637.94 = 28,870.77 : x
  2. Step 2: Convert to fraction form
    107,758.70/161,637.94 = 28,870.77/x
  3. Step 3: Cross multiply
    107,758.70x = 161,637.94 × 28,870.77
  4. Step 4: Simplify right side
    107,758.70x = 4,666,611,716.84
  5. Step 5: Solve for x
    x = 4,666,611,716.84/107,758.70
  6. Step 6: Final answer
    x = 43,306.13

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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.