Home / 163,239.90-225,265.23-91,622.94

Finding the Fourth Proportional to 163,239.90, 225,265.23 and 91,622.94

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Solution

The fourth proportional to 163,239.90, 225,265.23 and 91,622.94 is: 126,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,239.90 : 225,265.23 = 91,622.94 : x
  2. Step 2: Convert to fraction form
    163,239.90/225,265.23 = 91,622.94/x
  3. Step 3: Cross multiply
    163,239.90x = 225,265.23 × 91,622.94
  4. Step 4: Simplify right side
    163,239.90x = 20,639,462,652.38
  5. Step 5: Solve for x
    x = 20,639,462,652.38/163,239.90
  6. Step 6: Final answer
    x = 126,436.38

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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.