Home / 149,646.96-223,500.06-135,578.88

Finding the Fourth Proportional to 149,646.96, 223,500.06 and 135,578.88

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Solution

The fourth proportional to 149,646.96, 223,500.06 and 135,578.88 is: 202,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,646.96 : 223,500.06 = 135,578.88 : x
  2. Step 2: Convert to fraction form
    149,646.96/223,500.06 = 135,578.88/x
  3. Step 3: Cross multiply
    149,646.96x = 223,500.06 × 135,578.88
  4. Step 4: Simplify right side
    149,646.96x = 30,301,887,814.73
  5. Step 5: Solve for x
    x = 30,301,887,814.73/149,646.96
  6. Step 6: Final answer
    x = 202,489.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.