Home / 88,730.90-133,096.35-82,315.70

Finding the Fourth Proportional to 88,730.90, 133,096.35 and 82,315.70

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Solution

The fourth proportional to 88,730.90, 133,096.35 and 82,315.70 is: 123,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,730.90 : 133,096.35 = 82,315.70 : x
  2. Step 2: Convert to fraction form
    88,730.90/133,096.35 = 82,315.70/x
  3. Step 3: Cross multiply
    88,730.90x = 133,096.35 × 82,315.70
  4. Step 4: Simplify right side
    88,730.90x = 10,955,919,217.70
  5. Step 5: Solve for x
    x = 10,955,919,217.70/88,730.90
  6. Step 6: Final answer
    x = 123,473.55

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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.