Home / 106,019.17-146,307.57-57,621.09

Finding the Fourth Proportional to 106,019.17, 146,307.57 and 57,621.09

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Solution

The fourth proportional to 106,019.17, 146,307.57 and 57,621.09 is: 79,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,019.17 : 146,307.57 = 57,621.09 : x
  2. Step 2: Convert to fraction form
    106,019.17/146,307.57 = 57,621.09/x
  3. Step 3: Cross multiply
    106,019.17x = 146,307.57 × 57,621.09
  4. Step 4: Simplify right side
    106,019.17x = 8,430,401,658.65
  5. Step 5: Solve for x
    x = 8,430,401,658.65/106,019.17
  6. Step 6: Final answer
    x = 79,517.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.