Home / 88,928.20-133,100.70-69,099.40

Finding the Fourth Proportional to 88,928.20, 133,100.70 and 69,099.40

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Solution

The fourth proportional to 88,928.20, 133,100.70 and 69,099.40 is: 103,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,928.20 : 133,100.70 = 69,099.40 : x
  2. Step 2: Convert to fraction form
    88,928.20/133,100.70 = 69,099.40/x
  3. Step 3: Cross multiply
    88,928.20x = 133,100.70 × 69,099.40
  4. Step 4: Simplify right side
    88,928.20x = 9,197,178,509.58
  5. Step 5: Solve for x
    x = 9,197,178,509.58/88,928.20
  6. Step 6: Final answer
    x = 103,422.52

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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.