Home / 163,720.09-225,931.66-92,100.61

Finding the Fourth Proportional to 163,720.09, 225,931.66 and 92,100.61

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Solution

The fourth proportional to 163,720.09, 225,931.66 and 92,100.61 is: 127,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,720.09 : 225,931.66 = 92,100.61 : x
  2. Step 2: Convert to fraction form
    163,720.09/225,931.66 = 92,100.61/x
  3. Step 3: Cross multiply
    163,720.09x = 225,931.66 × 92,100.61
  4. Step 4: Simplify right side
    163,720.09x = 20,808,443,704.31
  5. Step 5: Solve for x
    x = 20,808,443,704.31/163,720.09
  6. Step 6: Final answer
    x = 127,097.68

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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.