Home / 146,028.21-218,948.15-57,290.69

Finding the Fourth Proportional to 146,028.21, 218,948.15 and 57,290.69

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Solution

The fourth proportional to 146,028.21, 218,948.15 and 57,290.69 is: 85,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,028.21 : 218,948.15 = 57,290.69 : x
  2. Step 2: Convert to fraction form
    146,028.21/218,948.15 = 57,290.69/x
  3. Step 3: Cross multiply
    146,028.21x = 218,948.15 × 57,290.69
  4. Step 4: Simplify right side
    146,028.21x = 12,543,689,206.53
  5. Step 5: Solve for x
    x = 12,543,689,206.53/146,028.21
  6. Step 6: Final answer
    x = 85,899.08

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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.