Home / 122,335.85-183,503.78-103,673.45

Finding the Fourth Proportional to 122,335.85, 183,503.78 and 103,673.45

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Solution

The fourth proportional to 122,335.85, 183,503.78 and 103,673.45 is: 155,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,335.85 : 183,503.78 = 103,673.45 : x
  2. Step 2: Convert to fraction form
    122,335.85/183,503.78 = 103,673.45/x
  3. Step 3: Cross multiply
    122,335.85x = 183,503.78 × 103,673.45
  4. Step 4: Simplify right side
    122,335.85x = 19,024,469,960.64
  5. Step 5: Solve for x
    x = 19,024,469,960.64/122,335.85
  6. Step 6: Final answer
    x = 155,510.18

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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.