Home / 114,932.71-172,030.31-61,491

Finding the Fourth Proportional to 114,932.71, 172,030.31 and 61,491

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Solution

The fourth proportional to 114,932.71, 172,030.31 and 61,491 is: 92,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,932.71 : 172,030.31 = 61,491 : x
  2. Step 2: Convert to fraction form
    114,932.71/172,030.31 = 61,491/x
  3. Step 3: Cross multiply
    114,932.71x = 172,030.31 × 61,491
  4. Step 4: Simplify right side
    114,932.71x = 10,578,315,792.21
  5. Step 5: Solve for x
    x = 10,578,315,792.21/114,932.71
  6. Step 6: Final answer
    x = 92,039.21

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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.