Home / 118,708.72-163,818.30-64,997.26

Finding the Fourth Proportional to 118,708.72, 163,818.30 and 64,997.26

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Solution

The fourth proportional to 118,708.72, 163,818.30 and 64,997.26 is: 89,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,708.72 : 163,818.30 = 64,997.26 : x
  2. Step 2: Convert to fraction form
    118,708.72/163,818.30 = 64,997.26/x
  3. Step 3: Cross multiply
    118,708.72x = 163,818.30 × 64,997.26
  4. Step 4: Simplify right side
    118,708.72x = 10,647,740,637.86
  5. Step 5: Solve for x
    x = 10,647,740,637.86/118,708.72
  6. Step 6: Final answer
    x = 89,696.36

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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.