Home / 122,972.20-184,430.60-80,264.18

Finding the Fourth Proportional to 122,972.20, 184,430.60 and 80,264.18

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Solution

The fourth proportional to 122,972.20, 184,430.60 and 80,264.18 is: 120,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,972.20 : 184,430.60 = 80,264.18 : x
  2. Step 2: Convert to fraction form
    122,972.20/184,430.60 = 80,264.18/x
  3. Step 3: Cross multiply
    122,972.20x = 184,430.60 × 80,264.18
  4. Step 4: Simplify right side
    122,972.20x = 14,803,170,875.91
  5. Step 5: Solve for x
    x = 14,803,170,875.91/122,972.20
  6. Step 6: Final answer
    x = 120,378.19

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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.