Home / 155,604.20-233,438.70-88,989.80

Finding the Fourth Proportional to 155,604.20, 233,438.70 and 88,989.80

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Solution

The fourth proportional to 155,604.20, 233,438.70 and 88,989.80 is: 133,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,604.20 : 233,438.70 = 88,989.80 : x
  2. Step 2: Convert to fraction form
    155,604.20/233,438.70 = 88,989.80/x
  3. Step 3: Cross multiply
    155,604.20x = 233,438.70 × 88,989.80
  4. Step 4: Simplify right side
    155,604.20x = 20,773,663,225.26
  5. Step 5: Solve for x
    x = 20,773,663,225.26/155,604.20
  6. Step 6: Final answer
    x = 133,503.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.