Home / 118,308.20-163,264.07-64,593.05

Finding the Fourth Proportional to 118,308.20, 163,264.07 and 64,593.05

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Solution

The fourth proportional to 118,308.20, 163,264.07 and 64,593.05 is: 89,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308.20 : 163,264.07 = 64,593.05 : x
  2. Step 2: Convert to fraction form
    118,308.20/163,264.07 = 64,593.05/x
  3. Step 3: Cross multiply
    118,308.20x = 163,264.07 × 64,593.05
  4. Step 4: Simplify right side
    118,308.20x = 10,545,723,581.88
  5. Step 5: Solve for x
    x = 10,545,723,581.88/118,308.20
  6. Step 6: Final answer
    x = 89,137.73

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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.