Home / 118,519.21-163,550.77-67,543.89

Finding the Fourth Proportional to 118,519.21, 163,550.77 and 67,543.89

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Solution

The fourth proportional to 118,519.21, 163,550.77 and 67,543.89 is: 93,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,519.21 : 163,550.77 = 67,543.89 : x
  2. Step 2: Convert to fraction form
    118,519.21/163,550.77 = 67,543.89/x
  3. Step 3: Cross multiply
    118,519.21x = 163,550.77 × 67,543.89
  4. Step 4: Simplify right side
    118,519.21x = 11,046,855,218.30
  5. Step 5: Solve for x
    x = 11,046,855,218.30/118,519.21
  6. Step 6: Final answer
    x = 93,207.30

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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.