Home / 122,977.20-184,433.40-38,737.20

Finding the Fourth Proportional to 122,977.20, 184,433.40 and 38,737.20

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Solution

The fourth proportional to 122,977.20, 184,433.40 and 38,737.20 is: 58,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,977.20 : 184,433.40 = 38,737.20 : x
  2. Step 2: Convert to fraction form
    122,977.20/184,433.40 = 38,737.20/x
  3. Step 3: Cross multiply
    122,977.20x = 184,433.40 × 38,737.20
  4. Step 4: Simplify right side
    122,977.20x = 7,144,433,502.48
  5. Step 5: Solve for x
    x = 7,144,433,502.48/122,977.20
  6. Step 6: Final answer
    x = 58,095.59

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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.