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Finding the Fourth Proportional to 134,336.64, 201,510.72 and 40,844.16

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Solution

The fourth proportional to 134,336.64, 201,510.72 and 40,844.16 is: 61,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,336.64 : 201,510.72 = 40,844.16 : x
  2. Step 2: Convert to fraction form
    134,336.64/201,510.72 = 40,844.16/x
  3. Step 3: Cross multiply
    134,336.64x = 201,510.72 × 40,844.16
  4. Step 4: Simplify right side
    134,336.64x = 8,230,536,089.40
  5. Step 5: Solve for x
    x = 8,230,536,089.40/134,336.64
  6. Step 6: Final answer
    x = 61,267.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.