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Finding the Fourth Proportional to 180,522.09, 249,122.45 and 99,951.03

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Solution

The fourth proportional to 180,522.09, 249,122.45 and 99,951.03 is: 137,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,522.09 : 249,122.45 = 99,951.03 : x
  2. Step 2: Convert to fraction form
    180,522.09/249,122.45 = 99,951.03/x
  3. Step 3: Cross multiply
    180,522.09x = 249,122.45 × 99,951.03
  4. Step 4: Simplify right side
    180,522.09x = 24,900,045,723.50
  5. Step 5: Solve for x
    x = 24,900,045,723.50/180,522.09
  6. Step 6: Final answer
    x = 137,933.51

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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.