Home / 215,925.86-323,877.12-66,166.59

Finding the Fourth Proportional to 215,925.86, 323,877.12 and 66,166.59

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Solution

The fourth proportional to 215,925.86, 323,877.12 and 66,166.59 is: 99,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,925.86 : 323,877.12 = 66,166.59 : x
  2. Step 2: Convert to fraction form
    215,925.86/323,877.12 = 66,166.59/x
  3. Step 3: Cross multiply
    215,925.86x = 323,877.12 × 66,166.59
  4. Step 4: Simplify right side
    215,925.86x = 21,429,842,659.20
  5. Step 5: Solve for x
    x = 21,429,842,659.20/215,925.86
  6. Step 6: Final answer
    x = 99,246.30

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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.