Home / 136,621.70-188,473.61-88,857.62

Finding the Fourth Proportional to 136,621.70, 188,473.61 and 88,857.62

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Solution

The fourth proportional to 136,621.70, 188,473.61 and 88,857.62 is: 122,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,621.70 : 188,473.61 = 88,857.62 : x
  2. Step 2: Convert to fraction form
    136,621.70/188,473.61 = 88,857.62/x
  3. Step 3: Cross multiply
    136,621.70x = 188,473.61 × 88,857.62
  4. Step 4: Simplify right side
    136,621.70x = 16,747,316,444.30
  5. Step 5: Solve for x
    x = 16,747,316,444.30/136,621.70
  6. Step 6: Final answer
    x = 122,581.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.