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Finding the Fourth Proportional to 161,674.67, 223,117.93 and 90,054.72

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Solution

The fourth proportional to 161,674.67, 223,117.93 and 90,054.72 is: 124,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,674.67 : 223,117.93 = 90,054.72 : x
  2. Step 2: Convert to fraction form
    161,674.67/223,117.93 = 90,054.72/x
  3. Step 3: Cross multiply
    161,674.67x = 223,117.93 × 90,054.72
  4. Step 4: Simplify right side
    161,674.67x = 20,092,823,493.54
  5. Step 5: Solve for x
    x = 20,092,823,493.54/161,674.67
  6. Step 6: Final answer
    x = 124,279.35

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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.