Home / 88,767.20-133,150.80-79,090.40

Finding the Fourth Proportional to 88,767.20, 133,150.80 and 79,090.40

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Solution

The fourth proportional to 88,767.20, 133,150.80 and 79,090.40 is: 118,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,767.20 : 133,150.80 = 79,090.40 : x
  2. Step 2: Convert to fraction form
    88,767.20/133,150.80 = 79,090.40/x
  3. Step 3: Cross multiply
    88,767.20x = 133,150.80 × 79,090.40
  4. Step 4: Simplify right side
    88,767.20x = 10,530,950,032.32
  5. Step 5: Solve for x
    x = 10,530,950,032.32/88,767.20
  6. Step 6: Final answer
    x = 118,635.60

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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.