Home / 118,725.36-163,841.26-64,278.10

Finding the Fourth Proportional to 118,725.36, 163,841.26 and 64,278.10

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Solution

The fourth proportional to 118,725.36, 163,841.26 and 64,278.10 is: 88,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,725.36 : 163,841.26 = 64,278.10 : x
  2. Step 2: Convert to fraction form
    118,725.36/163,841.26 = 64,278.10/x
  3. Step 3: Cross multiply
    118,725.36x = 163,841.26 × 64,278.10
  4. Step 4: Simplify right side
    118,725.36x = 10,531,404,894.41
  5. Step 5: Solve for x
    x = 10,531,404,894.41/118,725.36
  6. Step 6: Final answer
    x = 88,703.92

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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.