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Finding the Fourth Proportional to 123,501.80, 185,252.70 and 122,189.60

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Solution

The fourth proportional to 123,501.80, 185,252.70 and 122,189.60 is: 183,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,501.80 : 185,252.70 = 122,189.60 : x
  2. Step 2: Convert to fraction form
    123,501.80/185,252.70 = 122,189.60/x
  3. Step 3: Cross multiply
    123,501.80x = 185,252.70 × 122,189.60
  4. Step 4: Simplify right side
    123,501.80x = 22,635,953,311.92
  5. Step 5: Solve for x
    x = 22,635,953,311.92/123,501.80
  6. Step 6: Final answer
    x = 183,284.40

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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.