Home / 99,352.40-148,942.20-59,867.60

Finding the Fourth Proportional to 99,352.40, 148,942.20 and 59,867.60

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Solution

The fourth proportional to 99,352.40, 148,942.20 and 59,867.60 is: 89,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,352.40 : 148,942.20 = 59,867.60 : x
  2. Step 2: Convert to fraction form
    99,352.40/148,942.20 = 59,867.60/x
  3. Step 3: Cross multiply
    99,352.40x = 148,942.20 × 59,867.60
  4. Step 4: Simplify right side
    99,352.40x = 8,916,812,052.72
  5. Step 5: Solve for x
    x = 8,916,812,052.72/99,352.40
  6. Step 6: Final answer
    x = 89,749.34

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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.