Home / 215,958.32-298,045.56-120,498.16

Finding the Fourth Proportional to 215,958.32, 298,045.56 and 120,498.16

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Solution

The fourth proportional to 215,958.32, 298,045.56 and 120,498.16 is: 166,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,958.32 : 298,045.56 = 120,498.16 : x
  2. Step 2: Convert to fraction form
    215,958.32/298,045.56 = 120,498.16/x
  3. Step 3: Cross multiply
    215,958.32x = 298,045.56 × 120,498.16
  4. Step 4: Simplify right side
    215,958.32x = 35,913,941,576.17
  5. Step 5: Solve for x
    x = 35,913,941,576.17/215,958.32
  6. Step 6: Final answer
    x = 166,300.34

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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.