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Finding the Fourth Proportional to 134,576.68, 201,870.60 and 50,328.40

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Solution

The fourth proportional to 134,576.68, 201,870.60 and 50,328.40 is: 75,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,576.68 : 201,870.60 = 50,328.40 : x
  2. Step 2: Convert to fraction form
    134,576.68/201,870.60 = 50,328.40/x
  3. Step 3: Cross multiply
    134,576.68x = 201,870.60 × 50,328.40
  4. Step 4: Simplify right side
    134,576.68x = 10,159,824,305.04
  5. Step 5: Solve for x
    x = 10,159,824,305.04/134,576.68
  6. Step 6: Final answer
    x = 75,494.69

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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.