Home / 215,344.40-297,172.31-119,851.08

Finding the Fourth Proportional to 215,344.40, 297,172.31 and 119,851.08

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Solution

The fourth proportional to 215,344.40, 297,172.31 and 119,851.08 is: 165,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,344.40 : 297,172.31 = 119,851.08 : x
  2. Step 2: Convert to fraction form
    215,344.40/297,172.31 = 119,851.08/x
  3. Step 3: Cross multiply
    215,344.40x = 297,172.31 × 119,851.08
  4. Step 4: Simplify right side
    215,344.40x = 35,616,422,299.59
  5. Step 5: Solve for x
    x = 35,616,422,299.59/215,344.40
  6. Step 6: Final answer
    x = 165,392.84

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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.