Home / 153,273.53-211,514.09-85,287.94

Finding the Fourth Proportional to 153,273.53, 211,514.09 and 85,287.94

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Solution

The fourth proportional to 153,273.53, 211,514.09 and 85,287.94 is: 117,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,273.53 : 211,514.09 = 85,287.94 : x
  2. Step 2: Convert to fraction form
    153,273.53/211,514.09 = 85,287.94/x
  3. Step 3: Cross multiply
    153,273.53x = 211,514.09 × 85,287.94
  4. Step 4: Simplify right side
    153,273.53x = 18,039,600,061.85
  5. Step 5: Solve for x
    x = 18,039,600,061.85/153,273.53
  6. Step 6: Final answer
    x = 117,695.47

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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.