Home / 118,346.38-163,319.31-64,632.98

Finding the Fourth Proportional to 118,346.38, 163,319.31 and 64,632.98

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Solution

The fourth proportional to 118,346.38, 163,319.31 and 64,632.98 is: 89,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.38 : 163,319.31 = 64,632.98 : x
  2. Step 2: Convert to fraction form
    118,346.38/163,319.31 = 64,632.98/x
  3. Step 3: Cross multiply
    118,346.38x = 163,319.31 × 64,632.98
  4. Step 4: Simplify right side
    118,346.38x = 10,555,813,696.84
  5. Step 5: Solve for x
    x = 10,555,813,696.84/118,346.38
  6. Step 6: Final answer
    x = 89,194.23

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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.