Home / 118,344.39-163,314.43-64,629.42

Finding the Fourth Proportional to 118,344.39, 163,314.43 and 64,629.42

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Solution

The fourth proportional to 118,344.39, 163,314.43 and 64,629.42 is: 89,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,344.39 : 163,314.43 = 64,629.42 : x
  2. Step 2: Convert to fraction form
    118,344.39/163,314.43 = 64,629.42/x
  3. Step 3: Cross multiply
    118,344.39x = 163,314.43 × 64,629.42
  4. Step 4: Simplify right side
    118,344.39x = 10,554,916,726.96
  5. Step 5: Solve for x
    x = 10,554,916,726.96/118,344.39
  6. Step 6: Final answer
    x = 89,188.15

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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.