Home / 99,087.60-148,540.40-42,892.32

Finding the Fourth Proportional to 99,087.60, 148,540.40 and 42,892.32

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Solution

The fourth proportional to 99,087.60, 148,540.40 and 42,892.32 is: 64,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,087.60 : 148,540.40 = 42,892.32 : x
  2. Step 2: Convert to fraction form
    99,087.60/148,540.40 = 42,892.32/x
  3. Step 3: Cross multiply
    99,087.60x = 148,540.40 × 42,892.32
  4. Step 4: Simplify right side
    99,087.60x = 6,371,242,369.73
  5. Step 5: Solve for x
    x = 6,371,242,369.73/99,087.60
  6. Step 6: Final answer
    x = 64,299.09

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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.