Home / 148,714.13-205,225.74-80,731.13

Finding the Fourth Proportional to 148,714.13, 205,225.74 and 80,731.13

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Solution

The fourth proportional to 148,714.13, 205,225.74 and 80,731.13 is: 111,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,714.13 : 205,225.74 = 80,731.13 : x
  2. Step 2: Convert to fraction form
    148,714.13/205,225.74 = 80,731.13/x
  3. Step 3: Cross multiply
    148,714.13x = 205,225.74 × 80,731.13
  4. Step 4: Simplify right side
    148,714.13x = 16,568,106,775.82
  5. Step 5: Solve for x
    x = 16,568,106,775.82/148,714.13
  6. Step 6: Final answer
    x = 111,409.10

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1.5x scale

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.