Home / 123,899.52-185,783.40-49,016.64

Finding the Fourth Proportional to 123,899.52, 185,783.40 and 49,016.64

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Solution

The fourth proportional to 123,899.52, 185,783.40 and 49,016.64 is: 73,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,899.52 : 185,783.40 = 49,016.64 : x
  2. Step 2: Convert to fraction form
    123,899.52/185,783.40 = 49,016.64/x
  3. Step 3: Cross multiply
    123,899.52x = 185,783.40 × 49,016.64
  4. Step 4: Simplify right side
    123,899.52x = 9,106,478,035.78
  5. Step 5: Solve for x
    x = 9,106,478,035.78/123,899.52
  6. Step 6: Final answer
    x = 73,498.90

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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.