Home / 106,439.22-146,880.59-66,152.12

Finding the Fourth Proportional to 106,439.22, 146,880.59 and 66,152.12

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Solution

The fourth proportional to 106,439.22, 146,880.59 and 66,152.12 is: 91,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.22 : 146,880.59 = 66,152.12 : x
  2. Step 2: Convert to fraction form
    106,439.22/146,880.59 = 66,152.12/x
  3. Step 3: Cross multiply
    106,439.22x = 146,880.59 × 66,152.12
  4. Step 4: Simplify right side
    106,439.22x = 9,716,461,350.19
  5. Step 5: Solve for x
    x = 9,716,461,350.19/106,439.22
  6. Step 6: Final answer
    x = 91,286.48

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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.