Home / 122,078.30-183,117.45-102,395.30

Finding the Fourth Proportional to 122,078.30, 183,117.45 and 102,395.30

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Solution

The fourth proportional to 122,078.30, 183,117.45 and 102,395.30 is: 153,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,078.30 : 183,117.45 = 102,395.30 : x
  2. Step 2: Convert to fraction form
    122,078.30/183,117.45 = 102,395.30/x
  3. Step 3: Cross multiply
    122,078.30x = 183,117.45 × 102,395.30
  4. Step 4: Simplify right side
    122,078.30x = 18,750,366,227.99
  5. Step 5: Solve for x
    x = 18,750,366,227.99/122,078.30
  6. Step 6: Final answer
    x = 153,592.95

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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.