Home / 188,244.28-282,147.60-69,840.12

Finding the Fourth Proportional to 188,244.28, 282,147.60 and 69,840.12

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Solution

The fourth proportional to 188,244.28, 282,147.60 and 69,840.12 is: 104,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,244.28 : 282,147.60 = 69,840.12 : x
  2. Step 2: Convert to fraction form
    188,244.28/282,147.60 = 69,840.12/x
  3. Step 3: Cross multiply
    188,244.28x = 282,147.60 × 69,840.12
  4. Step 4: Simplify right side
    188,244.28x = 19,705,222,241.71
  5. Step 5: Solve for x
    x = 19,705,222,241.71/188,244.28
  6. Step 6: Final answer
    x = 104,679.00

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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.