Home / 122,836.13-169,453.73-75,006.71

Finding the Fourth Proportional to 122,836.13, 169,453.73 and 75,006.71

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Solution

The fourth proportional to 122,836.13, 169,453.73 and 75,006.71 is: 103,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,836.13 : 169,453.73 = 75,006.71 : x
  2. Step 2: Convert to fraction form
    122,836.13/169,453.73 = 75,006.71/x
  3. Step 3: Cross multiply
    122,836.13x = 169,453.73 × 75,006.71
  4. Step 4: Simplify right side
    122,836.13x = 12,710,166,409.49
  5. Step 5: Solve for x
    x = 12,710,166,409.49/122,836.13
  6. Step 6: Final answer
    x = 103,472.54

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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.