Home / 163,516.50-225,671.45-90,926.62

Finding the Fourth Proportional to 163,516.50, 225,671.45 and 90,926.62

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Solution

The fourth proportional to 163,516.50, 225,671.45 and 90,926.62 is: 125,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,516.50 : 225,671.45 = 90,926.62 : x
  2. Step 2: Convert to fraction form
    163,516.50/225,671.45 = 90,926.62/x
  3. Step 3: Cross multiply
    163,516.50x = 225,671.45 × 90,926.62
  4. Step 4: Simplify right side
    163,516.50x = 20,519,541,160.19
  5. Step 5: Solve for x
    x = 20,519,541,160.19/163,516.50
  6. Step 6: Final answer
    x = 125,489.12

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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.