Home / 122,335.35-183,503.03-103,672.95

Finding the Fourth Proportional to 122,335.35, 183,503.03 and 103,672.95

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Solution

The fourth proportional to 122,335.35, 183,503.03 and 103,672.95 is: 155,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,335.35 : 183,503.03 = 103,672.95 : x
  2. Step 2: Convert to fraction form
    122,335.35/183,503.03 = 103,672.95/x
  3. Step 3: Cross multiply
    122,335.35x = 183,503.03 × 103,672.95
  4. Step 4: Simplify right side
    122,335.35x = 19,024,299,935.67
  5. Step 5: Solve for x
    x = 19,024,299,935.67/122,335.35
  6. Step 6: Final answer
    x = 155,509.43

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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.