Home / 131,040.60-196,560.90-89,050.20

Finding the Fourth Proportional to 131,040.60, 196,560.90 and 89,050.20

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Solution

The fourth proportional to 131,040.60, 196,560.90 and 89,050.20 is: 133,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,040.60 : 196,560.90 = 89,050.20 : x
  2. Step 2: Convert to fraction form
    131,040.60/196,560.90 = 89,050.20/x
  3. Step 3: Cross multiply
    131,040.60x = 196,560.90 × 89,050.20
  4. Step 4: Simplify right side
    131,040.60x = 17,503,787,457.18
  5. Step 5: Solve for x
    x = 17,503,787,457.18/131,040.60
  6. Step 6: Final answer
    x = 133,575.30

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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.