Home / 89,450.10-134,195.31-30,282.42

Finding the Fourth Proportional to 89,450.10, 134,195.31 and 30,282.42

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Solution

The fourth proportional to 89,450.10, 134,195.31 and 30,282.42 is: 45,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,450.10 : 134,195.31 = 30,282.42 : x
  2. Step 2: Convert to fraction form
    89,450.10/134,195.31 = 30,282.42/x
  3. Step 3: Cross multiply
    89,450.10x = 134,195.31 × 30,282.42
  4. Step 4: Simplify right side
    89,450.10x = 4,063,758,739.45
  5. Step 5: Solve for x
    x = 4,063,758,739.45/89,450.10
  6. Step 6: Final answer
    x = 45,430.45

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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.