Home / 88,456.41-122,068.64-50,215.64

Finding the Fourth Proportional to 88,456.41, 122,068.64 and 50,215.64

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Solution

The fourth proportional to 88,456.41, 122,068.64 and 50,215.64 is: 69,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,456.41 : 122,068.64 = 50,215.64 : x
  2. Step 2: Convert to fraction form
    88,456.41/122,068.64 = 50,215.64/x
  3. Step 3: Cross multiply
    88,456.41x = 122,068.64 × 50,215.64
  4. Step 4: Simplify right side
    88,456.41x = 6,129,754,396.73
  5. Step 5: Solve for x
    x = 6,129,754,396.73/88,456.41
  6. Step 6: Final answer
    x = 69,296.89

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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.