Home / 118,637.88-163,720.27-64,922.90

Finding the Fourth Proportional to 118,637.88, 163,720.27 and 64,922.90

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Solution

The fourth proportional to 118,637.88, 163,720.27 and 64,922.90 is: 89,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,637.88 : 163,720.27 = 64,922.90 : x
  2. Step 2: Convert to fraction form
    118,637.88/163,720.27 = 64,922.90/x
  3. Step 3: Cross multiply
    118,637.88x = 163,720.27 × 64,922.90
  4. Step 4: Simplify right side
    118,637.88x = 10,629,193,979.74
  5. Step 5: Solve for x
    x = 10,629,193,979.74/118,637.88
  6. Step 6: Final answer
    x = 89,593.60

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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.