Home / 157,678.03-236,491.46-45,332.65

Finding the Fourth Proportional to 157,678.03, 236,491.46 and 45,332.65

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Solution

The fourth proportional to 157,678.03, 236,491.46 and 45,332.65 is: 67,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,678.03 : 236,491.46 = 45,332.65 : x
  2. Step 2: Convert to fraction form
    157,678.03/236,491.46 = 45,332.65/x
  3. Step 3: Cross multiply
    157,678.03x = 236,491.46 × 45,332.65
  4. Step 4: Simplify right side
    157,678.03x = 10,720,783,175.05
  5. Step 5: Solve for x
    x = 10,720,783,175.05/157,678.03
  6. Step 6: Final answer
    x = 67,991.61

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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.