Home / 118,725.96-163,841.16-64,278

Finding the Fourth Proportional to 118,725.96, 163,841.16 and 64,278

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Solution

The fourth proportional to 118,725.96, 163,841.16 and 64,278 is: 88,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,725.96 : 163,841.16 = 64,278 : x
  2. Step 2: Convert to fraction form
    118,725.96/163,841.16 = 64,278/x
  3. Step 3: Cross multiply
    118,725.96x = 163,841.16 × 64,278
  4. Step 4: Simplify right side
    118,725.96x = 10,531,382,082.48
  5. Step 5: Solve for x
    x = 10,531,382,082.48/118,725.96
  6. Step 6: Final answer
    x = 88,703.28

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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.