Home / 122,587.55-183,867.65-42,611.69

Finding the Fourth Proportional to 122,587.55, 183,867.65 and 42,611.69

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Solution

The fourth proportional to 122,587.55, 183,867.65 and 42,611.69 is: 63,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,587.55 : 183,867.65 = 42,611.69 : x
  2. Step 2: Convert to fraction form
    122,587.55/183,867.65 = 42,611.69/x
  3. Step 3: Cross multiply
    122,587.55x = 183,867.65 × 42,611.69
  4. Step 4: Simplify right side
    122,587.55x = 7,834,910,170.43
  5. Step 5: Solve for x
    x = 7,834,910,170.43/122,587.55
  6. Step 6: Final answer
    x = 63,912.77

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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.