Home / 122,201.04-168,648.30-71,211

Finding the Fourth Proportional to 122,201.04, 168,648.30 and 71,211

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Solution

The fourth proportional to 122,201.04, 168,648.30 and 71,211 is: 98,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,201.04 : 168,648.30 = 71,211 : x
  2. Step 2: Convert to fraction form
    122,201.04/168,648.30 = 71,211/x
  3. Step 3: Cross multiply
    122,201.04x = 168,648.30 × 71,211
  4. Step 4: Simplify right side
    122,201.04x = 12,009,614,091.30
  5. Step 5: Solve for x
    x = 12,009,614,091.30/122,201.04
  6. Step 6: Final answer
    x = 98,277.51

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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.