Home / 146,037.60-219,056.40-99,381.60

Finding the Fourth Proportional to 146,037.60, 219,056.40 and 99,381.60

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Solution

The fourth proportional to 146,037.60, 219,056.40 and 99,381.60 is: 149,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,037.60 : 219,056.40 = 99,381.60 : x
  2. Step 2: Convert to fraction form
    146,037.60/219,056.40 = 99,381.60/x
  3. Step 3: Cross multiply
    146,037.60x = 219,056.40 × 99,381.60
  4. Step 4: Simplify right side
    146,037.60x = 21,770,175,522.24
  5. Step 5: Solve for x
    x = 21,770,175,522.24/146,037.60
  6. Step 6: Final answer
    x = 149,072.40

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1.5x scale

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.