Home / 122,835.40-169,499.10-69,119.26

Finding the Fourth Proportional to 122,835.40, 169,499.10 and 69,119.26

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Solution

The fourth proportional to 122,835.40, 169,499.10 and 69,119.26 is: 95,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,835.40 : 169,499.10 = 69,119.26 : x
  2. Step 2: Convert to fraction form
    122,835.40/169,499.10 = 69,119.26/x
  3. Step 3: Cross multiply
    122,835.40x = 169,499.10 × 69,119.26
  4. Step 4: Simplify right side
    122,835.40x = 11,715,652,362.67
  5. Step 5: Solve for x
    x = 11,715,652,362.67/122,835.40
  6. Step 6: Final answer
    x = 95,376.84

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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.