Home / 118,669.25-163,842.86-70,286.74

Finding the Fourth Proportional to 118,669.25, 163,842.86 and 70,286.74

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Solution

The fourth proportional to 118,669.25, 163,842.86 and 70,286.74 is: 97,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.25 : 163,842.86 = 70,286.74 : x
  2. Step 2: Convert to fraction form
    118,669.25/163,842.86 = 70,286.74/x
  3. Step 3: Cross multiply
    118,669.25x = 163,842.86 × 70,286.74
  4. Step 4: Simplify right side
    118,669.25x = 11,515,979,740.64
  5. Step 5: Solve for x
    x = 11,515,979,740.64/118,669.25
  6. Step 6: Final answer
    x = 97,042.66

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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.