Home / 118,954.81-164,159.91-65,236.60

Finding the Fourth Proportional to 118,954.81, 164,159.91 and 65,236.60

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Solution

The fourth proportional to 118,954.81, 164,159.91 and 65,236.60 is: 90,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,954.81 : 164,159.91 = 65,236.60 : x
  2. Step 2: Convert to fraction form
    118,954.81/164,159.91 = 65,236.60/x
  3. Step 3: Cross multiply
    118,954.81x = 164,159.91 × 65,236.60
  4. Step 4: Simplify right side
    118,954.81x = 10,709,234,384.71
  5. Step 5: Solve for x
    x = 10,709,234,384.71/118,954.81
  6. Step 6: Final answer
    x = 90,027.75

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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.