Home / 149,313.52-206,017.32-84,768.76

Finding the Fourth Proportional to 149,313.52, 206,017.32 and 84,768.76

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Solution

The fourth proportional to 149,313.52, 206,017.32 and 84,768.76 is: 116,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,313.52 : 206,017.32 = 84,768.76 : x
  2. Step 2: Convert to fraction form
    149,313.52/206,017.32 = 84,768.76/x
  3. Step 3: Cross multiply
    149,313.52x = 206,017.32 × 84,768.76
  4. Step 4: Simplify right side
    149,313.52x = 17,463,832,754.92
  5. Step 5: Solve for x
    x = 17,463,832,754.92/149,313.52
  6. Step 6: Final answer
    x = 116,960.83

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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.