Home / 215,399.16-297,236.52-119,903.40

Finding the Fourth Proportional to 215,399.16, 297,236.52 and 119,903.40

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Solution

The fourth proportional to 215,399.16, 297,236.52 and 119,903.40 is: 165,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,399.16 : 297,236.52 = 119,903.40 : x
  2. Step 2: Convert to fraction form
    215,399.16/297,236.52 = 119,903.40/x
  3. Step 3: Cross multiply
    215,399.16x = 297,236.52 × 119,903.40
  4. Step 4: Simplify right side
    215,399.16x = 35,639,669,352.17
  5. Step 5: Solve for x
    x = 35,639,669,352.17/215,399.16
  6. Step 6: Final answer
    x = 165,458.72

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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.