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Finding the Fourth Proportional to 150,673.50, 207,938.79 and 99,597.65

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Solution

The fourth proportional to 150,673.50, 207,938.79 and 99,597.65 is: 137,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,673.50 : 207,938.79 = 99,597.65 : x
  2. Step 2: Convert to fraction form
    150,673.50/207,938.79 = 99,597.65/x
  3. Step 3: Cross multiply
    150,673.50x = 207,938.79 × 99,597.65
  4. Step 4: Simplify right side
    150,673.50x = 20,710,213,788.15
  5. Step 5: Solve for x
    x = 20,710,213,788.15/150,673.50
  6. Step 6: Final answer
    x = 137,450.94

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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.