Home / 89,238.64-133,814.90-51,808.14

Finding the Fourth Proportional to 89,238.64, 133,814.90 and 51,808.14

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Solution

The fourth proportional to 89,238.64, 133,814.90 and 51,808.14 is: 77,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,238.64 : 133,814.90 = 51,808.14 : x
  2. Step 2: Convert to fraction form
    89,238.64/133,814.90 = 51,808.14/x
  3. Step 3: Cross multiply
    89,238.64x = 133,814.90 × 51,808.14
  4. Step 4: Simplify right side
    89,238.64x = 6,932,700,701.00
  5. Step 5: Solve for x
    x = 6,932,700,701.00/89,238.64
  6. Step 6: Final answer
    x = 77,687.21

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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.