Home / 135,501.40-203,171.10-82,948.60

Finding the Fourth Proportional to 135,501.40, 203,171.10 and 82,948.60

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Solution

The fourth proportional to 135,501.40, 203,171.10 and 82,948.60 is: 124,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,501.40 : 203,171.10 = 82,948.60 : x
  2. Step 2: Convert to fraction form
    135,501.40/203,171.10 = 82,948.60/x
  3. Step 3: Cross multiply
    135,501.40x = 203,171.10 × 82,948.60
  4. Step 4: Simplify right side
    135,501.40x = 16,852,758,305.46
  5. Step 5: Solve for x
    x = 16,852,758,305.46/135,501.40
  6. Step 6: Final answer
    x = 124,373.32

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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.