Home / 157,864.32-236,794.64-45,540.80

Finding the Fourth Proportional to 157,864.32, 236,794.64 and 45,540.80

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Solution

The fourth proportional to 157,864.32, 236,794.64 and 45,540.80 is: 68,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,864.32 : 236,794.64 = 45,540.80 : x
  2. Step 2: Convert to fraction form
    157,864.32/236,794.64 = 45,540.80/x
  3. Step 3: Cross multiply
    157,864.32x = 236,794.64 × 45,540.80
  4. Step 4: Simplify right side
    157,864.32x = 10,783,817,341.31
  5. Step 5: Solve for x
    x = 10,783,817,341.31/157,864.32
  6. Step 6: Final answer
    x = 68,310.67

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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.