Home / 118,628.43-163,707.03-64,913.43

Finding the Fourth Proportional to 118,628.43, 163,707.03 and 64,913.43

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Solution

The fourth proportional to 118,628.43, 163,707.03 and 64,913.43 is: 89,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,628.43 : 163,707.03 = 64,913.43 : x
  2. Step 2: Convert to fraction form
    118,628.43/163,707.03 = 64,913.43/x
  3. Step 3: Cross multiply
    118,628.43x = 163,707.03 × 64,913.43
  4. Step 4: Simplify right side
    118,628.43x = 10,626,784,832.41
  5. Step 5: Solve for x
    x = 10,626,784,832.41/118,628.43
  6. Step 6: Final answer
    x = 89,580.42

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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.