Home / 118,965.90-164,173.18-65,251.36

Finding the Fourth Proportional to 118,965.90, 164,173.18 and 65,251.36

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Solution

The fourth proportional to 118,965.90, 164,173.18 and 65,251.36 is: 90,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,965.90 : 164,173.18 = 65,251.36 : x
  2. Step 2: Convert to fraction form
    118,965.90/164,173.18 = 65,251.36/x
  3. Step 3: Cross multiply
    118,965.90x = 164,173.18 × 65,251.36
  4. Step 4: Simplify right side
    118,965.90x = 10,712,523,270.52
  5. Step 5: Solve for x
    x = 10,712,523,270.52/118,965.90
  6. Step 6: Final answer
    x = 90,047.01

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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.