Home / 163,259.38-225,298.83-91,640.26

Finding the Fourth Proportional to 163,259.38, 225,298.83 and 91,640.26

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Solution

The fourth proportional to 163,259.38, 225,298.83 and 91,640.26 is: 126,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,259.38 : 225,298.83 = 91,640.26 : x
  2. Step 2: Convert to fraction form
    163,259.38/225,298.83 = 91,640.26/x
  3. Step 3: Cross multiply
    163,259.38x = 225,298.83 × 91,640.26
  4. Step 4: Simplify right side
    163,259.38x = 20,646,443,358.90
  5. Step 5: Solve for x
    x = 20,646,443,358.90/163,259.38
  6. Step 6: Final answer
    x = 126,464.06

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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.