Home / 143,670.18-215,504.87-64,691.94

Finding the Fourth Proportional to 143,670.18, 215,504.87 and 64,691.94

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Solution

The fourth proportional to 143,670.18, 215,504.87 and 64,691.94 is: 97,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,670.18 : 215,504.87 = 64,691.94 : x
  2. Step 2: Convert to fraction form
    143,670.18/215,504.87 = 64,691.94/x
  3. Step 3: Cross multiply
    143,670.18x = 215,504.87 × 64,691.94
  4. Step 4: Simplify right side
    143,670.18x = 13,941,427,796.29
  5. Step 5: Solve for x
    x = 13,941,427,796.29/143,670.18
  6. Step 6: Final answer
    x = 97,037.73

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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.