Home / 163,090.45-225,066.68-90,494.65

Finding the Fourth Proportional to 163,090.45, 225,066.68 and 90,494.65

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Solution

The fourth proportional to 163,090.45, 225,066.68 and 90,494.65 is: 124,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,090.45 : 225,066.68 = 90,494.65 : x
  2. Step 2: Convert to fraction form
    163,090.45/225,066.68 = 90,494.65/x
  3. Step 3: Cross multiply
    163,090.45x = 225,066.68 × 90,494.65
  4. Step 4: Simplify right side
    163,090.45x = 20,367,330,433.26
  5. Step 5: Solve for x
    x = 20,367,330,433.26/163,090.45
  6. Step 6: Final answer
    x = 124,883.65

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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.