Home / 88,358.04-122,007.67-81,947.30

Finding the Fourth Proportional to 88,358.04, 122,007.67 and 81,947.30

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Solution

The fourth proportional to 88,358.04, 122,007.67 and 81,947.30 is: 113,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,358.04 : 122,007.67 = 81,947.30 : x
  2. Step 2: Convert to fraction form
    88,358.04/122,007.67 = 81,947.30/x
  3. Step 3: Cross multiply
    88,358.04x = 122,007.67 × 81,947.30
  4. Step 4: Simplify right side
    88,358.04x = 9,998,198,525.75
  5. Step 5: Solve for x
    x = 9,998,198,525.75/88,358.04
  6. Step 6: Final answer
    x = 113,155.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.