Home / 225,196.04-310,765.74-123,221.10

Finding the Fourth Proportional to 225,196.04, 310,765.74 and 123,221.10

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Solution

The fourth proportional to 225,196.04, 310,765.74 and 123,221.10 is: 170,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,196.04 : 310,765.74 = 123,221.10 : x
  2. Step 2: Convert to fraction form
    225,196.04/310,765.74 = 123,221.10/x
  3. Step 3: Cross multiply
    225,196.04x = 310,765.74 × 123,221.10
  4. Step 4: Simplify right side
    225,196.04x = 38,292,896,325.11
  5. Step 5: Solve for x
    x = 38,292,896,325.11/225,196.04
  6. Step 6: Final answer
    x = 170,042.49

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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.