Home / 118,351.72-163,319.05-64,626.24

Finding the Fourth Proportional to 118,351.72, 163,319.05 and 64,626.24

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Solution

The fourth proportional to 118,351.72, 163,319.05 and 64,626.24 is: 89,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,351.72 : 163,319.05 = 64,626.24 : x
  2. Step 2: Convert to fraction form
    118,351.72/163,319.05 = 64,626.24/x
  3. Step 3: Cross multiply
    118,351.72x = 163,319.05 × 64,626.24
  4. Step 4: Simplify right side
    118,351.72x = 10,554,696,121.87
  5. Step 5: Solve for x
    x = 10,554,696,121.87/118,351.72
  6. Step 6: Final answer
    x = 89,180.76

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1.5x scale

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.