Home / 161,952.38-223,493.70-90,332.35

Finding the Fourth Proportional to 161,952.38, 223,493.70 and 90,332.35

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Solution

The fourth proportional to 161,952.38, 223,493.70 and 90,332.35 is: 124,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,952.38 : 223,493.70 = 90,332.35 : x
  2. Step 2: Convert to fraction form
    161,952.38/223,493.70 = 90,332.35/x
  3. Step 3: Cross multiply
    161,952.38x = 223,493.70 × 90,332.35
  4. Step 4: Simplify right side
    161,952.38x = 20,188,710,013.73
  5. Step 5: Solve for x
    x = 20,188,710,013.73/161,952.38
  6. Step 6: Final answer
    x = 124,658.31

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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.