Home / 147,887.36-204,080-84,234.24

Finding the Fourth Proportional to 147,887.36, 204,080 and 84,234.24

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Solution

The fourth proportional to 147,887.36, 204,080 and 84,234.24 is: 116,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,887.36 : 204,080 = 84,234.24 : x
  2. Step 2: Convert to fraction form
    147,887.36/204,080 = 84,234.24/x
  3. Step 3: Cross multiply
    147,887.36x = 204,080 × 84,234.24
  4. Step 4: Simplify right side
    147,887.36x = 17,190,523,699.20
  5. Step 5: Solve for x
    x = 17,190,523,699.20/147,887.36
  6. Step 6: Final answer
    x = 116,240.66

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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.