Home / 122,530.05-169,085.07-82,238.22

Finding the Fourth Proportional to 122,530.05, 169,085.07 and 82,238.22

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Solution

The fourth proportional to 122,530.05, 169,085.07 and 82,238.22 is: 113,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,530.05 : 169,085.07 = 82,238.22 : x
  2. Step 2: Convert to fraction form
    122,530.05/169,085.07 = 82,238.22/x
  3. Step 3: Cross multiply
    122,530.05x = 169,085.07 × 82,238.22
  4. Step 4: Simplify right side
    122,530.05x = 13,905,255,185.38
  5. Step 5: Solve for x
    x = 13,905,255,185.38/122,530.05
  6. Step 6: Final answer
    x = 113,484.45

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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.