Home / 118,887.14-164,066.10-71,142.50

Finding the Fourth Proportional to 118,887.14, 164,066.10 and 71,142.50

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Solution

The fourth proportional to 118,887.14, 164,066.10 and 71,142.50 is: 98,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,887.14 : 164,066.10 = 71,142.50 : x
  2. Step 2: Convert to fraction form
    118,887.14/164,066.10 = 71,142.50/x
  3. Step 3: Cross multiply
    118,887.14x = 164,066.10 × 71,142.50
  4. Step 4: Simplify right side
    118,887.14x = 11,672,072,519.25
  5. Step 5: Solve for x
    x = 11,672,072,519.25/118,887.14
  6. Step 6: Final answer
    x = 98,177.76

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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.