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Finding the Fourth Proportional to 162,053.96, 223,607.70 and 90,433.80

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Solution

The fourth proportional to 162,053.96, 223,607.70 and 90,433.80 is: 124,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,053.96 : 223,607.70 = 90,433.80 : x
  2. Step 2: Convert to fraction form
    162,053.96/223,607.70 = 90,433.80/x
  3. Step 3: Cross multiply
    162,053.96x = 223,607.70 × 90,433.80
  4. Step 4: Simplify right side
    162,053.96x = 20,221,694,020.26
  5. Step 5: Solve for x
    x = 20,221,694,020.26/162,053.96
  6. Step 6: Final answer
    x = 124,783.71

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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.