Home / 145,074.24-217,442.88-82,788.48

Finding the Fourth Proportional to 145,074.24, 217,442.88 and 82,788.48

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Solution

The fourth proportional to 145,074.24, 217,442.88 and 82,788.48 is: 124,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,074.24 : 217,442.88 = 82,788.48 : x
  2. Step 2: Convert to fraction form
    145,074.24/217,442.88 = 82,788.48/x
  3. Step 3: Cross multiply
    145,074.24x = 217,442.88 × 82,788.48
  4. Step 4: Simplify right side
    145,074.24x = 18,001,765,522.02
  5. Step 5: Solve for x
    x = 18,001,765,522.02/145,074.24
  6. Step 6: Final answer
    x = 124,086.57

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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.