Home / 144,014.24-215,958-65,125.28

Finding the Fourth Proportional to 144,014.24, 215,958 and 65,125.28

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Solution

The fourth proportional to 144,014.24, 215,958 and 65,125.28 is: 97,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014.24 : 215,958 = 65,125.28 : x
  2. Step 2: Convert to fraction form
    144,014.24/215,958 = 65,125.28/x
  3. Step 3: Cross multiply
    144,014.24x = 215,958 × 65,125.28
  4. Step 4: Simplify right side
    144,014.24x = 14,064,325,218.24
  5. Step 5: Solve for x
    x = 14,064,325,218.24/144,014.24
  6. Step 6: Final answer
    x = 97,659.27

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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.