Home / 118,440.63-163,451.25-64,725.21

Finding the Fourth Proportional to 118,440.63, 163,451.25 and 64,725.21

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Solution

The fourth proportional to 118,440.63, 163,451.25 and 64,725.21 is: 89,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,440.63 : 163,451.25 = 64,725.21 : x
  2. Step 2: Convert to fraction form
    118,440.63/163,451.25 = 64,725.21/x
  3. Step 3: Cross multiply
    118,440.63x = 163,451.25 × 64,725.21
  4. Step 4: Simplify right side
    118,440.63x = 10,579,416,481.01
  5. Step 5: Solve for x
    x = 10,579,416,481.01/118,440.63
  6. Step 6: Final answer
    x = 89,322.53

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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.