Home / 89,349.34-134,009.42-30,183.70

Finding the Fourth Proportional to 89,349.34, 134,009.42 and 30,183.70

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Solution

The fourth proportional to 89,349.34, 134,009.42 and 30,183.70 is: 45,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.34 : 134,009.42 = 30,183.70 : x
  2. Step 2: Convert to fraction form
    89,349.34/134,009.42 = 30,183.70/x
  3. Step 3: Cross multiply
    89,349.34x = 134,009.42 × 30,183.70
  4. Step 4: Simplify right side
    89,349.34x = 4,044,900,130.45
  5. Step 5: Solve for x
    x = 4,044,900,130.45/89,349.34
  6. Step 6: Final answer
    x = 45,270.62

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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.