Home / 88,730.90-133,096.35-80,566.10

Finding the Fourth Proportional to 88,730.90, 133,096.35 and 80,566.10

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Solution

The fourth proportional to 88,730.90, 133,096.35 and 80,566.10 is: 120,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,730.90 : 133,096.35 = 80,566.10 : x
  2. Step 2: Convert to fraction form
    88,730.90/133,096.35 = 80,566.10/x
  3. Step 3: Cross multiply
    88,730.90x = 133,096.35 × 80,566.10
  4. Step 4: Simplify right side
    88,730.90x = 10,723,053,843.74
  5. Step 5: Solve for x
    x = 10,723,053,843.74/88,730.90
  6. Step 6: Final answer
    x = 120,849.15

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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.