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Finding the Fourth Proportional to 180,469.28, 249,049.80 and 99,904.25

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Solution

The fourth proportional to 180,469.28, 249,049.80 and 99,904.25 is: 137,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469.28 : 249,049.80 = 99,904.25 : x
  2. Step 2: Convert to fraction form
    180,469.28/249,049.80 = 99,904.25/x
  3. Step 3: Cross multiply
    180,469.28x = 249,049.80 × 99,904.25
  4. Step 4: Simplify right side
    180,469.28x = 24,881,133,481.65
  5. Step 5: Solve for x
    x = 24,881,133,481.65/180,469.28
  6. Step 6: Final answer
    x = 137,869.08

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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.