Home / 97,824.40-146,736.60-91,992.40

Finding the Fourth Proportional to 97,824.40, 146,736.60 and 91,992.40

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Solution

The fourth proportional to 97,824.40, 146,736.60 and 91,992.40 is: 137,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,824.40 : 146,736.60 = 91,992.40 : x
  2. Step 2: Convert to fraction form
    97,824.40/146,736.60 = 91,992.40/x
  3. Step 3: Cross multiply
    97,824.40x = 146,736.60 × 91,992.40
  4. Step 4: Simplify right side
    97,824.40x = 13,498,652,001.84
  5. Step 5: Solve for x
    x = 13,498,652,001.84/97,824.40
  6. Step 6: Final answer
    x = 137,988.60

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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.