Home / 148,980.30-205,391.57-101,150.61

Finding the Fourth Proportional to 148,980.30, 205,391.57 and 101,150.61

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Solution

The fourth proportional to 148,980.30, 205,391.57 and 101,150.61 is: 139,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,980.30 : 205,391.57 = 101,150.61 : x
  2. Step 2: Convert to fraction form
    148,980.30/205,391.57 = 101,150.61/x
  3. Step 3: Cross multiply
    148,980.30x = 205,391.57 × 101,150.61
  4. Step 4: Simplify right side
    148,980.30x = 20,775,482,088.60
  5. Step 5: Solve for x
    x = 20,775,482,088.60/148,980.30
  6. Step 6: Final answer
    x = 139,451.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.