Home / 104,268.27-143,870.18-66,000.90

Finding the Fourth Proportional to 104,268.27, 143,870.18 and 66,000.90

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Solution

The fourth proportional to 104,268.27, 143,870.18 and 66,000.90 is: 91,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,268.27 : 143,870.18 = 66,000.90 : x
  2. Step 2: Convert to fraction form
    104,268.27/143,870.18 = 66,000.90/x
  3. Step 3: Cross multiply
    104,268.27x = 143,870.18 × 66,000.90
  4. Step 4: Simplify right side
    104,268.27x = 9,495,561,033.16
  5. Step 5: Solve for x
    x = 9,495,561,033.16/104,268.27
  6. Step 6: Final answer
    x = 91,068.56

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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.