Home / 133,557.52-184,318.32-76,972.72

Finding the Fourth Proportional to 133,557.52, 184,318.32 and 76,972.72

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Solution

The fourth proportional to 133,557.52, 184,318.32 and 76,972.72 is: 106,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,557.52 : 184,318.32 = 76,972.72 : x
  2. Step 2: Convert to fraction form
    133,557.52/184,318.32 = 76,972.72/x
  3. Step 3: Cross multiply
    133,557.52x = 184,318.32 × 76,972.72
  4. Step 4: Simplify right side
    133,557.52x = 14,187,482,436.23
  5. Step 5: Solve for x
    x = 14,187,482,436.23/133,557.52
  6. Step 6: Final answer
    x = 106,227.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.