Home / 89,303.91-133,862.68-30,119.23

Finding the Fourth Proportional to 89,303.91, 133,862.68 and 30,119.23

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Solution

The fourth proportional to 89,303.91, 133,862.68 and 30,119.23 is: 45,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,303.91 : 133,862.68 = 30,119.23 : x
  2. Step 2: Convert to fraction form
    89,303.91/133,862.68 = 30,119.23/x
  3. Step 3: Cross multiply
    89,303.91x = 133,862.68 × 30,119.23
  4. Step 4: Simplify right side
    89,303.91x = 4,031,840,847.34
  5. Step 5: Solve for x
    x = 4,031,840,847.34/89,303.91
  6. Step 6: Final answer
    x = 45,147.42

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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.