Home / 236,617.50-326,560.80-134,667.76

Finding the Fourth Proportional to 236,617.50, 326,560.80 and 134,667.76

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Solution

The fourth proportional to 236,617.50, 326,560.80 and 134,667.76 is: 185,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,617.50 : 326,560.80 = 134,667.76 : x
  2. Step 2: Convert to fraction form
    236,617.50/326,560.80 = 134,667.76/x
  3. Step 3: Cross multiply
    236,617.50x = 326,560.80 × 134,667.76
  4. Step 4: Simplify right side
    236,617.50x = 43,977,210,766.47
  5. Step 5: Solve for x
    x = 43,977,210,766.47/236,617.50
  6. Step 6: Final answer
    x = 185,857.81

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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.