Home / 161,629.92-223,051.47-90,011.75

Finding the Fourth Proportional to 161,629.92, 223,051.47 and 90,011.75

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Solution

The fourth proportional to 161,629.92, 223,051.47 and 90,011.75 is: 124,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,629.92 : 223,051.47 = 90,011.75 : x
  2. Step 2: Convert to fraction form
    161,629.92/223,051.47 = 90,011.75/x
  3. Step 3: Cross multiply
    161,629.92x = 223,051.47 × 90,011.75
  4. Step 4: Simplify right side
    161,629.92x = 20,077,252,039.52
  5. Step 5: Solve for x
    x = 20,077,252,039.52/161,629.92
  6. Step 6: Final answer
    x = 124,217.42

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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.