Home / 143,514.02-215,317.16-43,693.54

Finding the Fourth Proportional to 143,514.02, 215,317.16 and 43,693.54

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Solution

The fourth proportional to 143,514.02, 215,317.16 and 43,693.54 is: 65,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514.02 : 215,317.16 = 43,693.54 : x
  2. Step 2: Convert to fraction form
    143,514.02/215,317.16 = 43,693.54/x
  3. Step 3: Cross multiply
    143,514.02x = 215,317.16 × 43,693.54
  4. Step 4: Simplify right side
    143,514.02x = 9,407,968,943.15
  5. Step 5: Solve for x
    x = 9,407,968,943.15/143,514.02
  6. Step 6: Final answer
    x = 65,554.35

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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.