Home / 112,944.98-169,628.08-99,440.92

Finding the Fourth Proportional to 112,944.98, 169,628.08 and 99,440.92

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Solution

The fourth proportional to 112,944.98, 169,628.08 and 99,440.92 is: 149,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.98 : 169,628.08 = 99,440.92 : x
  2. Step 2: Convert to fraction form
    112,944.98/169,628.08 = 99,440.92/x
  3. Step 3: Cross multiply
    112,944.98x = 169,628.08 × 99,440.92
  4. Step 4: Simplify right side
    112,944.98x = 16,867,972,333.03
  5. Step 5: Solve for x
    x = 16,867,972,333.03/112,944.98
  6. Step 6: Final answer
    x = 149,346.81

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1.5x scale

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.