Home / 122,729.58-169,365.76-69,013.45

Finding the Fourth Proportional to 122,729.58, 169,365.76 and 69,013.45

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Solution

The fourth proportional to 122,729.58, 169,365.76 and 69,013.45 is: 95,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,729.58 : 169,365.76 = 69,013.45 : x
  2. Step 2: Convert to fraction form
    122,729.58/169,365.76 = 69,013.45/x
  3. Step 3: Cross multiply
    122,729.58x = 169,365.76 × 69,013.45
  4. Step 4: Simplify right side
    122,729.58x = 11,688,515,448.65
  5. Step 5: Solve for x
    x = 11,688,515,448.65/122,729.58
  6. Step 6: Final answer
    x = 95,237.97

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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.