Home / 236,456.20-326,303.40-129,027.52

Finding the Fourth Proportional to 236,456.20, 326,303.40 and 129,027.52

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Solution

The fourth proportional to 236,456.20, 326,303.40 and 129,027.52 is: 178,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,456.20 : 326,303.40 = 129,027.52 : x
  2. Step 2: Convert to fraction form
    236,456.20/326,303.40 = 129,027.52/x
  3. Step 3: Cross multiply
    236,456.20x = 326,303.40 × 129,027.52
  4. Step 4: Simplify right side
    236,456.20x = 42,102,118,469.57
  5. Step 5: Solve for x
    x = 42,102,118,469.57/236,456.20
  6. Step 6: Final answer
    x = 178,054.62

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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.