Home / 225,102.03-310,627.89-123,107.10

Finding the Fourth Proportional to 225,102.03, 310,627.89 and 123,107.10

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Solution

The fourth proportional to 225,102.03, 310,627.89 and 123,107.10 is: 169,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,102.03 : 310,627.89 = 123,107.10 : x
  2. Step 2: Convert to fraction form
    225,102.03/310,627.89 = 123,107.10/x
  3. Step 3: Cross multiply
    225,102.03x = 310,627.89 × 123,107.10
  4. Step 4: Simplify right side
    225,102.03x = 38,240,498,717.02
  5. Step 5: Solve for x
    x = 38,240,498,717.02/225,102.03
  6. Step 6: Final answer
    x = 169,880.74

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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.