Home / 154,915.64-232,179.76-66,065.52

Finding the Fourth Proportional to 154,915.64, 232,179.76 and 66,065.52

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Solution

The fourth proportional to 154,915.64, 232,179.76 and 66,065.52 is: 99,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,915.64 : 232,179.76 = 66,065.52 : x
  2. Step 2: Convert to fraction form
    154,915.64/232,179.76 = 66,065.52/x
  3. Step 3: Cross multiply
    154,915.64x = 232,179.76 × 66,065.52
  4. Step 4: Simplify right side
    154,915.64x = 15,339,076,247.55
  5. Step 5: Solve for x
    x = 15,339,076,247.55/154,915.64
  6. Step 6: Final answer
    x = 99,015.68

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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.