Home / 143,259.04-214,888.26-38,078

Finding the Fourth Proportional to 143,259.04, 214,888.26 and 38,078

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Solution

The fourth proportional to 143,259.04, 214,888.26 and 38,078 is: 57,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,259.04 : 214,888.26 = 38,078 : x
  2. Step 2: Convert to fraction form
    143,259.04/214,888.26 = 38,078/x
  3. Step 3: Cross multiply
    143,259.04x = 214,888.26 × 38,078
  4. Step 4: Simplify right side
    143,259.04x = 8,182,515,164.28
  5. Step 5: Solve for x
    x = 8,182,515,164.28/143,259.04
  6. Step 6: Final answer
    x = 57,116.92

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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.