Home / 123,220.31-184,853.21-39,001.64

Finding the Fourth Proportional to 123,220.31, 184,853.21 and 39,001.64

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Solution

The fourth proportional to 123,220.31, 184,853.21 and 39,001.64 is: 58,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,220.31 : 184,853.21 = 39,001.64 : x
  2. Step 2: Convert to fraction form
    123,220.31/184,853.21 = 39,001.64/x
  3. Step 3: Cross multiply
    123,220.31x = 184,853.21 × 39,001.64
  4. Step 4: Simplify right side
    123,220.31x = 7,209,577,229.99
  5. Step 5: Solve for x
    x = 7,209,577,229.99/123,220.31
  6. Step 6: Final answer
    x = 58,509.65

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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.