Home / 131,637.20-197,326.20-65,087.60

Finding the Fourth Proportional to 131,637.20, 197,326.20 and 65,087.60

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Solution

The fourth proportional to 131,637.20, 197,326.20 and 65,087.60 is: 97,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,637.20 : 197,326.20 = 65,087.60 : x
  2. Step 2: Convert to fraction form
    131,637.20/197,326.20 = 65,087.60/x
  3. Step 3: Cross multiply
    131,637.20x = 197,326.20 × 65,087.60
  4. Step 4: Simplify right side
    131,637.20x = 12,843,488,775.12
  5. Step 5: Solve for x
    x = 12,843,488,775.12/131,637.20
  6. Step 6: Final answer
    x = 97,567.32

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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.