Home / 225,158.03-310,720.37-123,181.26

Finding the Fourth Proportional to 225,158.03, 310,720.37 and 123,181.26

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Solution

The fourth proportional to 225,158.03, 310,720.37 and 123,181.26 is: 169,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,158.03 : 310,720.37 = 123,181.26 : x
  2. Step 2: Convert to fraction form
    225,158.03/310,720.37 = 123,181.26/x
  3. Step 3: Cross multiply
    225,158.03x = 310,720.37 × 123,181.26
  4. Step 4: Simplify right side
    225,158.03x = 38,274,927,426.58
  5. Step 5: Solve for x
    x = 38,274,927,426.58/225,158.03
  6. Step 6: Final answer
    x = 169,991.39

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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.