Home / 106,523.40-159,708.30-69,608.20

Finding the Fourth Proportional to 106,523.40, 159,708.30 and 69,608.20

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Solution

The fourth proportional to 106,523.40, 159,708.30 and 69,608.20 is: 104,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,523.40 : 159,708.30 = 69,608.20 : x
  2. Step 2: Convert to fraction form
    106,523.40/159,708.30 = 69,608.20/x
  3. Step 3: Cross multiply
    106,523.40x = 159,708.30 × 69,608.20
  4. Step 4: Simplify right side
    106,523.40x = 11,117,007,288.06
  5. Step 5: Solve for x
    x = 11,117,007,288.06/106,523.40
  6. Step 6: Final answer
    x = 104,362.11

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1.5x scale

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.