Home / 145,640.10-200,935.27-118,736.35

Finding the Fourth Proportional to 145,640.10, 200,935.27 and 118,736.35

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Solution

The fourth proportional to 145,640.10, 200,935.27 and 118,736.35 is: 163,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,640.10 : 200,935.27 = 118,736.35 : x
  2. Step 2: Convert to fraction form
    145,640.10/200,935.27 = 118,736.35/x
  3. Step 3: Cross multiply
    145,640.10x = 200,935.27 × 118,736.35
  4. Step 4: Simplify right side
    145,640.10x = 23,858,320,546.06
  5. Step 5: Solve for x
    x = 23,858,320,546.06/145,640.10
  6. Step 6: Final answer
    x = 163,816.97

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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.