Home / 138,295.02-207,606.57-116,381.28

Finding the Fourth Proportional to 138,295.02, 207,606.57 and 116,381.28

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Solution

The fourth proportional to 138,295.02, 207,606.57 and 116,381.28 is: 174,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,295.02 : 207,606.57 = 116,381.28 : x
  2. Step 2: Convert to fraction form
    138,295.02/207,606.57 = 116,381.28/x
  3. Step 3: Cross multiply
    138,295.02x = 207,606.57 × 116,381.28
  4. Step 4: Simplify right side
    138,295.02x = 24,161,518,353.01
  5. Step 5: Solve for x
    x = 24,161,518,353.01/138,295.02
  6. Step 6: Final answer
    x = 174,709.97

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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.