Home / 89,490.40-134,226.36-30,324.53

Finding the Fourth Proportional to 89,490.40, 134,226.36 and 30,324.53

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Solution

The fourth proportional to 89,490.40, 134,226.36 and 30,324.53 is: 45,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.40 : 134,226.36 = 30,324.53 : x
  2. Step 2: Convert to fraction form
    89,490.40/134,226.36 = 30,324.53/x
  3. Step 3: Cross multiply
    89,490.40x = 134,226.36 × 30,324.53
  4. Step 4: Simplify right side
    89,490.40x = 4,070,351,616.18
  5. Step 5: Solve for x
    x = 4,070,351,616.18/89,490.40
  6. Step 6: Final answer
    x = 45,483.67

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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.