Home / 162,108.32-223,704.83-90,486.81

Finding the Fourth Proportional to 162,108.32, 223,704.83 and 90,486.81

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Solution

The fourth proportional to 162,108.32, 223,704.83 and 90,486.81 is: 124,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,108.32 : 223,704.83 = 90,486.81 : x
  2. Step 2: Convert to fraction form
    162,108.32/223,704.83 = 90,486.81/x
  3. Step 3: Cross multiply
    162,108.32x = 223,704.83 × 90,486.81
  4. Step 4: Simplify right side
    162,108.32x = 20,242,335,995.86
  5. Step 5: Solve for x
    x = 20,242,335,995.86/162,108.32
  6. Step 6: Final answer
    x = 124,869.20

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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.