Home / 153,938.60-230,915.10-48,765.80

Finding the Fourth Proportional to 153,938.60, 230,915.10 and 48,765.80

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Solution

The fourth proportional to 153,938.60, 230,915.10 and 48,765.80 is: 73,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,938.60 : 230,915.10 = 48,765.80 : x
  2. Step 2: Convert to fraction form
    153,938.60/230,915.10 = 48,765.80/x
  3. Step 3: Cross multiply
    153,938.60x = 230,915.10 × 48,765.80
  4. Step 4: Simplify right side
    153,938.60x = 11,260,759,583.58
  5. Step 5: Solve for x
    x = 11,260,759,583.58/153,938.60
  6. Step 6: Final answer
    x = 73,150.98

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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.