Home / 122,947.30-184,420.95-121,104.10

Finding the Fourth Proportional to 122,947.30, 184,420.95 and 121,104.10

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Solution

The fourth proportional to 122,947.30, 184,420.95 and 121,104.10 is: 181,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,947.30 : 184,420.95 = 121,104.10 : x
  2. Step 2: Convert to fraction form
    122,947.30/184,420.95 = 121,104.10/x
  3. Step 3: Cross multiply
    122,947.30x = 184,420.95 × 121,104.10
  4. Step 4: Simplify right side
    122,947.30x = 22,334,133,170.90
  5. Step 5: Solve for x
    x = 22,334,133,170.90/122,947.30
  6. Step 6: Final answer
    x = 181,656.15

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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.