Home / 146,915.60-202,739.92-85,672.96

Finding the Fourth Proportional to 146,915.60, 202,739.92 and 85,672.96

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Solution

The fourth proportional to 146,915.60, 202,739.92 and 85,672.96 is: 118,226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,915.60 : 202,739.92 = 85,672.96 : x
  2. Step 2: Convert to fraction form
    146,915.60/202,739.92 = 85,672.96/x
  3. Step 3: Cross multiply
    146,915.60x = 202,739.92 × 85,672.96
  4. Step 4: Simplify right side
    146,915.60x = 17,369,329,056.56
  5. Step 5: Solve for x
    x = 17,369,329,056.56/146,915.60
  6. Step 6: Final answer
    x = 118,226.58

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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.