Home / 131,821.60-197,732.40-96,829.60

Finding the Fourth Proportional to 131,821.60, 197,732.40 and 96,829.60

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Solution

The fourth proportional to 131,821.60, 197,732.40 and 96,829.60 is: 145,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,821.60 : 197,732.40 = 96,829.60 : x
  2. Step 2: Convert to fraction form
    131,821.60/197,732.40 = 96,829.60/x
  3. Step 3: Cross multiply
    131,821.60x = 197,732.40 × 96,829.60
  4. Step 4: Simplify right side
    131,821.60x = 19,146,349,199.04
  5. Step 5: Solve for x
    x = 19,146,349,199.04/131,821.60
  6. Step 6: Final answer
    x = 145,244.40

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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.