Home / 118,625.11-163,702.64-64,910.13

Finding the Fourth Proportional to 118,625.11, 163,702.64 and 64,910.13

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Solution

The fourth proportional to 118,625.11, 163,702.64 and 64,910.13 is: 89,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,625.11 : 163,702.64 = 64,910.13 : x
  2. Step 2: Convert to fraction form
    118,625.11/163,702.64 = 64,910.13/x
  3. Step 3: Cross multiply
    118,625.11x = 163,702.64 × 64,910.13
  4. Step 4: Simplify right side
    118,625.11x = 10,625,959,192.13
  5. Step 5: Solve for x
    x = 10,625,959,192.13/118,625.11
  6. Step 6: Final answer
    x = 89,575.97

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1.5x scale

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.