Home / 162,285.57-223,958.66-90,673.47

Finding the Fourth Proportional to 162,285.57, 223,958.66 and 90,673.47

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Solution

The fourth proportional to 162,285.57, 223,958.66 and 90,673.47 is: 125,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,285.57 : 223,958.66 = 90,673.47 : x
  2. Step 2: Convert to fraction form
    162,285.57/223,958.66 = 90,673.47/x
  3. Step 3: Cross multiply
    162,285.57x = 223,958.66 × 90,673.47
  4. Step 4: Simplify right side
    162,285.57x = 20,307,108,385.38
  5. Step 5: Solve for x
    x = 20,307,108,385.38/162,285.57
  6. Step 6: Final answer
    x = 125,131.94

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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.