Home / 106,005.62-146,226.84-66,192.50

Finding the Fourth Proportional to 106,005.62, 146,226.84 and 66,192.50

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Solution

The fourth proportional to 106,005.62, 146,226.84 and 66,192.50 is: 91,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,005.62 : 146,226.84 = 66,192.50 : x
  2. Step 2: Convert to fraction form
    106,005.62/146,226.84 = 66,192.50/x
  3. Step 3: Cross multiply
    106,005.62x = 146,226.84 × 66,192.50
  4. Step 4: Simplify right side
    106,005.62x = 9,679,120,106.70
  5. Step 5: Solve for x
    x = 9,679,120,106.70/106,005.62
  6. Step 6: Final answer
    x = 91,307.61

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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.