Home / 89,438.72-134,074.69-30,232.98

Finding the Fourth Proportional to 89,438.72, 134,074.69 and 30,232.98

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Solution

The fourth proportional to 89,438.72, 134,074.69 and 30,232.98 is: 45,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,438.72 : 134,074.69 = 30,232.98 : x
  2. Step 2: Convert to fraction form
    89,438.72/134,074.69 = 30,232.98/x
  3. Step 3: Cross multiply
    89,438.72x = 134,074.69 × 30,232.98
  4. Step 4: Simplify right side
    89,438.72x = 4,053,477,270.11
  5. Step 5: Solve for x
    x = 4,053,477,270.11/89,438.72
  6. Step 6: Final answer
    x = 45,321.28

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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.