Home / 122,153.72-183,255.03-42,194.61

Finding the Fourth Proportional to 122,153.72, 183,255.03 and 42,194.61

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Solution

The fourth proportional to 122,153.72, 183,255.03 and 42,194.61 is: 63,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,153.72 : 183,255.03 = 42,194.61 : x
  2. Step 2: Convert to fraction form
    122,153.72/183,255.03 = 42,194.61/x
  3. Step 3: Cross multiply
    122,153.72x = 183,255.03 × 42,194.61
  4. Step 4: Simplify right side
    122,153.72x = 7,732,373,957.76
  5. Step 5: Solve for x
    x = 7,732,373,957.76/122,153.72
  6. Step 6: Final answer
    x = 63,300.35

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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.