Home / 106,293.42-159,617.61-66,405.06

Finding the Fourth Proportional to 106,293.42, 159,617.61 and 66,405.06

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Solution

The fourth proportional to 106,293.42, 159,617.61 and 66,405.06 is: 99,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,293.42 : 159,617.61 = 66,405.06 : x
  2. Step 2: Convert to fraction form
    106,293.42/159,617.61 = 66,405.06/x
  3. Step 3: Cross multiply
    106,293.42x = 159,617.61 × 66,405.06
  4. Step 4: Simplify right side
    106,293.42x = 10,599,416,969.11
  5. Step 5: Solve for x
    x = 10,599,416,969.11/106,293.42
  6. Step 6: Final answer
    x = 99,718.47

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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.