Home / 163,337.65-225,390.27-91,701.25

Finding the Fourth Proportional to 163,337.65, 225,390.27 and 91,701.25

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Solution

The fourth proportional to 163,337.65, 225,390.27 and 91,701.25 is: 126,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,337.65 : 225,390.27 = 91,701.25 : x
  2. Step 2: Convert to fraction form
    163,337.65/225,390.27 = 91,701.25/x
  3. Step 3: Cross multiply
    163,337.65x = 225,390.27 × 91,701.25
  4. Step 4: Simplify right side
    163,337.65x = 20,668,569,496.84
  5. Step 5: Solve for x
    x = 20,668,569,496.84/163,337.65
  6. Step 6: Final answer
    x = 126,538.92

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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.