Home / 117,107.76-175,689.63-38,222.13

Finding the Fourth Proportional to 117,107.76, 175,689.63 and 38,222.13

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Solution

The fourth proportional to 117,107.76, 175,689.63 and 38,222.13 is: 57,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,107.76 : 175,689.63 = 38,222.13 : x
  2. Step 2: Convert to fraction form
    117,107.76/175,689.63 = 38,222.13/x
  3. Step 3: Cross multiply
    117,107.76x = 175,689.63 × 38,222.13
  4. Step 4: Simplify right side
    117,107.76x = 6,715,231,877.51
  5. Step 5: Solve for x
    x = 6,715,231,877.51/117,107.76
  6. Step 6: Final answer
    x = 57,342.33

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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.