Home / 99,015.67-148,464.17-31,518.55

Finding the Fourth Proportional to 99,015.67, 148,464.17 and 31,518.55

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Solution

The fourth proportional to 99,015.67, 148,464.17 and 31,518.55 is: 47,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015.67 : 148,464.17 = 31,518.55 : x
  2. Step 2: Convert to fraction form
    99,015.67/148,464.17 = 31,518.55/x
  3. Step 3: Cross multiply
    99,015.67x = 148,464.17 × 31,518.55
  4. Step 4: Simplify right side
    99,015.67x = 4,679,375,365.35
  5. Step 5: Solve for x
    x = 4,679,375,365.35/99,015.67
  6. Step 6: Final answer
    x = 47,258.94

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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.