Home / 122,586.05-183,865.40-42,610.19

Finding the Fourth Proportional to 122,586.05, 183,865.40 and 42,610.19

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Solution

The fourth proportional to 122,586.05, 183,865.40 and 42,610.19 is: 63,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,586.05 : 183,865.40 = 42,610.19 : x
  2. Step 2: Convert to fraction form
    122,586.05/183,865.40 = 42,610.19/x
  3. Step 3: Cross multiply
    122,586.05x = 183,865.40 × 42,610.19
  4. Step 4: Simplify right side
    122,586.05x = 7,834,538,496.05
  5. Step 5: Solve for x
    x = 7,834,538,496.05/122,586.05
  6. Step 6: Final answer
    x = 63,910.53

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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.