Home / 97,288.29-145,932.44-75,133.98

Finding the Fourth Proportional to 97,288.29, 145,932.44 and 75,133.98

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Solution

The fourth proportional to 97,288.29, 145,932.44 and 75,133.98 is: 112,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,288.29 : 145,932.44 = 75,133.98 : x
  2. Step 2: Convert to fraction form
    97,288.29/145,932.44 = 75,133.98/x
  3. Step 3: Cross multiply
    97,288.29x = 145,932.44 × 75,133.98
  4. Step 4: Simplify right side
    97,288.29x = 10,964,484,652.64
  5. Step 5: Solve for x
    x = 10,964,484,652.64/97,288.29
  6. Step 6: Final answer
    x = 112,700.97

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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.