Home / 89,288.20-133,932.30-57,795.40

Finding the Fourth Proportional to 89,288.20, 133,932.30 and 57,795.40

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Solution

The fourth proportional to 89,288.20, 133,932.30 and 57,795.40 is: 86,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.20 : 133,932.30 = 57,795.40 : x
  2. Step 2: Convert to fraction form
    89,288.20/133,932.30 = 57,795.40/x
  3. Step 3: Cross multiply
    89,288.20x = 133,932.30 × 57,795.40
  4. Step 4: Simplify right side
    89,288.20x = 7,740,670,851.42
  5. Step 5: Solve for x
    x = 7,740,670,851.42/89,288.20
  6. Step 6: Final answer
    x = 86,693.10

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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.