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Finding the Fourth Proportional to 180,480.63, 249,060.26 and 99,906.45

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Solution

The fourth proportional to 180,480.63, 249,060.26 and 99,906.45 is: 137,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,480.63 : 249,060.26 = 99,906.45 : x
  2. Step 2: Convert to fraction form
    180,480.63/249,060.26 = 99,906.45/x
  3. Step 3: Cross multiply
    180,480.63x = 249,060.26 × 99,906.45
  4. Step 4: Simplify right side
    180,480.63x = 24,882,725,913.14
  5. Step 5: Solve for x
    x = 24,882,725,913.14/180,480.63
  6. Step 6: Final answer
    x = 137,869.23

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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.