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Finding the Fourth Proportional to 162,290.93, 223,957.35 and 90,671.48

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Solution

The fourth proportional to 162,290.93, 223,957.35 and 90,671.48 is: 125,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,290.93 : 223,957.35 = 90,671.48 : x
  2. Step 2: Convert to fraction form
    162,290.93/223,957.35 = 90,671.48/x
  3. Step 3: Cross multiply
    162,290.93x = 223,957.35 × 90,671.48
  4. Step 4: Simplify right side
    162,290.93x = 20,306,544,381.38
  5. Step 5: Solve for x
    x = 20,306,544,381.38/162,290.93
  6. Step 6: Final answer
    x = 125,124.33

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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.