Home / 169,024.10-253,544.34-139,387.82

Finding the Fourth Proportional to 169,024.10, 253,544.34 and 139,387.82

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Solution

The fourth proportional to 169,024.10, 253,544.34 and 139,387.82 is: 209,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,024.10 : 253,544.34 = 139,387.82 : x
  2. Step 2: Convert to fraction form
    169,024.10/253,544.34 = 139,387.82/x
  3. Step 3: Cross multiply
    169,024.10x = 253,544.34 × 139,387.82
  4. Step 4: Simplify right side
    169,024.10x = 35,340,992,825.94
  5. Step 5: Solve for x
    x = 35,340,992,825.94/169,024.10
  6. Step 6: Final answer
    x = 209,088.48

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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.