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Finding the Fourth Proportional to 146,147.76, 201,684.53 and 79,079.76

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Solution

The fourth proportional to 146,147.76, 201,684.53 and 79,079.76 is: 109,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,147.76 : 201,684.53 = 79,079.76 : x
  2. Step 2: Convert to fraction form
    146,147.76/201,684.53 = 79,079.76/x
  3. Step 3: Cross multiply
    146,147.76x = 201,684.53 × 79,079.76
  4. Step 4: Simplify right side
    146,147.76x = 15,949,164,425.81
  5. Step 5: Solve for x
    x = 15,949,164,425.81/146,147.76
  6. Step 6: Final answer
    x = 109,130.41

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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.