Home / 106,009.62-146,232.36-66,196.50

Finding the Fourth Proportional to 106,009.62, 146,232.36 and 66,196.50

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Solution

The fourth proportional to 106,009.62, 146,232.36 and 66,196.50 is: 91,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,009.62 : 146,232.36 = 66,196.50 : x
  2. Step 2: Convert to fraction form
    106,009.62/146,232.36 = 66,196.50/x
  3. Step 3: Cross multiply
    106,009.62x = 146,232.36 × 66,196.50
  4. Step 4: Simplify right side
    106,009.62x = 9,680,070,418.74
  5. Step 5: Solve for x
    x = 9,680,070,418.74/106,009.62
  6. Step 6: Final answer
    x = 91,313.13

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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.