Home / 172,399.15-237,943.59-107,898.35

Finding the Fourth Proportional to 172,399.15, 237,943.59 and 107,898.35

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Solution

The fourth proportional to 172,399.15, 237,943.59 and 107,898.35 is: 148,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,399.15 : 237,943.59 = 107,898.35 : x
  2. Step 2: Convert to fraction form
    172,399.15/237,943.59 = 107,898.35/x
  3. Step 3: Cross multiply
    172,399.15x = 237,943.59 × 107,898.35
  4. Step 4: Simplify right side
    172,399.15x = 25,673,720,754.08
  5. Step 5: Solve for x
    x = 25,673,720,754.08/172,399.15
  6. Step 6: Final answer
    x = 148,920.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.