Home / 122,098.22-182,909.73-90,018.86

Finding the Fourth Proportional to 122,098.22, 182,909.73 and 90,018.86

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Solution

The fourth proportional to 122,098.22, 182,909.73 and 90,018.86 is: 134,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,098.22 : 182,909.73 = 90,018.86 : x
  2. Step 2: Convert to fraction form
    122,098.22/182,909.73 = 90,018.86/x
  3. Step 3: Cross multiply
    122,098.22x = 182,909.73 × 90,018.86
  4. Step 4: Simplify right side
    122,098.22x = 16,465,325,377.51
  5. Step 5: Solve for x
    x = 16,465,325,377.51/122,098.22
  6. Step 6: Final answer
    x = 134,853.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.