Home / 97,227.68-145,785.90-57,812.36

Finding the Fourth Proportional to 97,227.68, 145,785.90 and 57,812.36

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Solution

The fourth proportional to 97,227.68, 145,785.90 and 57,812.36 is: 86,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,227.68 : 145,785.90 = 57,812.36 : x
  2. Step 2: Convert to fraction form
    97,227.68/145,785.90 = 57,812.36/x
  3. Step 3: Cross multiply
    97,227.68x = 145,785.90 × 57,812.36
  4. Step 4: Simplify right side
    97,227.68x = 8,428,226,933.72
  5. Step 5: Solve for x
    x = 8,428,226,933.72/97,227.68
  6. Step 6: Final answer
    x = 86,685.47

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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.