Home / 215,701.40-323,552.92-65,941.12

Finding the Fourth Proportional to 215,701.40, 323,552.92 and 65,941.12

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Solution

The fourth proportional to 215,701.40, 323,552.92 and 65,941.12 is: 98,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,701.40 : 323,552.92 = 65,941.12 : x
  2. Step 2: Convert to fraction form
    215,701.40/323,552.92 = 65,941.12/x
  3. Step 3: Cross multiply
    215,701.40x = 323,552.92 × 65,941.12
  4. Step 4: Simplify right side
    215,701.40x = 21,335,441,924.07
  5. Step 5: Solve for x
    x = 21,335,441,924.07/215,701.40
  6. Step 6: Final answer
    x = 98,911.93

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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.