Home / 215,089.92-322,424.28-120,366.36

Finding the Fourth Proportional to 215,089.92, 322,424.28 and 120,366.36

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Solution

The fourth proportional to 215,089.92, 322,424.28 and 120,366.36 is: 180,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,089.92 : 322,424.28 = 120,366.36 : x
  2. Step 2: Convert to fraction form
    215,089.92/322,424.28 = 120,366.36/x
  3. Step 3: Cross multiply
    215,089.92x = 322,424.28 × 120,366.36
  4. Step 4: Simplify right side
    215,089.92x = 38,809,036,959.22
  5. Step 5: Solve for x
    x = 38,809,036,959.22/215,089.92
  6. Step 6: Final answer
    x = 180,431.69

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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.