Home / 118,341.21-163,309.79-64,626.06

Finding the Fourth Proportional to 118,341.21, 163,309.79 and 64,626.06

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Solution

The fourth proportional to 118,341.21, 163,309.79 and 64,626.06 is: 89,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341.21 : 163,309.79 = 64,626.06 : x
  2. Step 2: Convert to fraction form
    118,341.21/163,309.79 = 64,626.06/x
  3. Step 3: Cross multiply
    118,341.21x = 163,309.79 × 64,626.06
  4. Step 4: Simplify right side
    118,341.21x = 10,554,068,287.13
  5. Step 5: Solve for x
    x = 10,554,068,287.13/118,341.21
  6. Step 6: Final answer
    x = 89,183.37

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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.