Home / 236,451.98-326,311.60-129,027.91

Finding the Fourth Proportional to 236,451.98, 326,311.60 and 129,027.91

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Solution

The fourth proportional to 236,451.98, 326,311.60 and 129,027.91 is: 178,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,451.98 : 326,311.60 = 129,027.91 : x
  2. Step 2: Convert to fraction form
    236,451.98/326,311.60 = 129,027.91/x
  3. Step 3: Cross multiply
    236,451.98x = 326,311.60 × 129,027.91
  4. Step 4: Simplify right side
    236,451.98x = 42,103,303,756.76
  5. Step 5: Solve for x
    x = 42,103,303,756.76/236,451.98
  6. Step 6: Final answer
    x = 178,062.81

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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.