Home / 150,702.24-207,970.32-83,635.36

Finding the Fourth Proportional to 150,702.24, 207,970.32 and 83,635.36

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Solution

The fourth proportional to 150,702.24, 207,970.32 and 83,635.36 is: 115,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,702.24 : 207,970.32 = 83,635.36 : x
  2. Step 2: Convert to fraction form
    150,702.24/207,970.32 = 83,635.36/x
  3. Step 3: Cross multiply
    150,702.24x = 207,970.32 × 83,635.36
  4. Step 4: Simplify right side
    150,702.24x = 17,393,672,582.52
  5. Step 5: Solve for x
    x = 17,393,672,582.52/150,702.24
  6. Step 6: Final answer
    x = 115,417.48

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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.