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Finding the Fourth Proportional to 164,230.98, 226,639.10 and 88,779.48

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Solution

The fourth proportional to 164,230.98, 226,639.10 and 88,779.48 is: 122,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,230.98 : 226,639.10 = 88,779.48 : x
  2. Step 2: Convert to fraction form
    164,230.98/226,639.10 = 88,779.48/x
  3. Step 3: Cross multiply
    164,230.98x = 226,639.10 × 88,779.48
  4. Step 4: Simplify right side
    164,230.98x = 20,120,901,445.67
  5. Step 5: Solve for x
    x = 20,120,901,445.67/164,230.98
  6. Step 6: Final answer
    x = 122,515.87

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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.