Home / 89,505.14-134,173.80-30,299.40

Finding the Fourth Proportional to 89,505.14, 134,173.80 and 30,299.40

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Solution

The fourth proportional to 89,505.14, 134,173.80 and 30,299.40 is: 45,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.14 : 134,173.80 = 30,299.40 : x
  2. Step 2: Convert to fraction form
    89,505.14/134,173.80 = 30,299.40/x
  3. Step 3: Cross multiply
    89,505.14x = 134,173.80 × 30,299.40
  4. Step 4: Simplify right side
    89,505.14x = 4,065,385,635.72
  5. Step 5: Solve for x
    x = 4,065,385,635.72/89,505.14
  6. Step 6: Final answer
    x = 45,420.70

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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.