Home / 117,036.88-175,553.46-28,289.72

Finding the Fourth Proportional to 117,036.88, 175,553.46 and 28,289.72

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Solution

The fourth proportional to 117,036.88, 175,553.46 and 28,289.72 is: 42,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,036.88 : 175,553.46 = 28,289.72 : x
  2. Step 2: Convert to fraction form
    117,036.88/175,553.46 = 28,289.72/x
  3. Step 3: Cross multiply
    117,036.88x = 175,553.46 × 28,289.72
  4. Step 4: Simplify right side
    117,036.88x = 4,966,358,228.43
  5. Step 5: Solve for x
    x = 4,966,358,228.43/117,036.88
  6. Step 6: Final answer
    x = 42,434.13

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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.