Home / 153,268.90-229,900.68-68,969.40

Finding the Fourth Proportional to 153,268.90, 229,900.68 and 68,969.40

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Solution

The fourth proportional to 153,268.90, 229,900.68 and 68,969.40 is: 103,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,268.90 : 229,900.68 = 68,969.40 : x
  2. Step 2: Convert to fraction form
    153,268.90/229,900.68 = 68,969.40/x
  3. Step 3: Cross multiply
    153,268.90x = 229,900.68 × 68,969.40
  4. Step 4: Simplify right side
    153,268.90x = 15,856,111,959.19
  5. Step 5: Solve for x
    x = 15,856,111,959.19/153,268.90
  6. Step 6: Final answer
    x = 103,452.90

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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.