Home / 155,446.40-233,169.60-102,915.20

Finding the Fourth Proportional to 155,446.40, 233,169.60 and 102,915.20

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Solution

The fourth proportional to 155,446.40, 233,169.60 and 102,915.20 is: 154,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,446.40 : 233,169.60 = 102,915.20 : x
  2. Step 2: Convert to fraction form
    155,446.40/233,169.60 = 102,915.20/x
  3. Step 3: Cross multiply
    155,446.40x = 233,169.60 × 102,915.20
  4. Step 4: Simplify right side
    155,446.40x = 23,996,696,017.92
  5. Step 5: Solve for x
    x = 23,996,696,017.92/155,446.40
  6. Step 6: Final answer
    x = 154,372.80

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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.