Home / 118,142.85-163,041.44-67,164.18

Finding the Fourth Proportional to 118,142.85, 163,041.44 and 67,164.18

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Solution

The fourth proportional to 118,142.85, 163,041.44 and 67,164.18 is: 92,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,142.85 : 163,041.44 = 67,164.18 : x
  2. Step 2: Convert to fraction form
    118,142.85/163,041.44 = 67,164.18/x
  3. Step 3: Cross multiply
    118,142.85x = 163,041.44 × 67,164.18
  4. Step 4: Simplify right side
    118,142.85x = 10,950,544,287.80
  5. Step 5: Solve for x
    x = 10,950,544,287.80/118,142.85
  6. Step 6: Final answer
    x = 92,689.01

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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.