Home / 215,862.77-323,794.96-66,102.48

Finding the Fourth Proportional to 215,862.77, 323,794.96 and 66,102.48

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Solution

The fourth proportional to 215,862.77, 323,794.96 and 66,102.48 is: 99,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,862.77 : 323,794.96 = 66,102.48 : x
  2. Step 2: Convert to fraction form
    215,862.77/323,794.96 = 66,102.48/x
  3. Step 3: Cross multiply
    215,862.77x = 323,794.96 × 66,102.48
  4. Step 4: Simplify right side
    215,862.77x = 21,403,648,248.53
  5. Step 5: Solve for x
    x = 21,403,648,248.53/215,862.77
  6. Step 6: Final answer
    x = 99,153.96

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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.