Home / 156,681.78-234,972.81-51,476.46

Finding the Fourth Proportional to 156,681.78, 234,972.81 and 51,476.46

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Solution

The fourth proportional to 156,681.78, 234,972.81 and 51,476.46 is: 77,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,681.78 : 234,972.81 = 51,476.46 : x
  2. Step 2: Convert to fraction form
    156,681.78/234,972.81 = 51,476.46/x
  3. Step 3: Cross multiply
    156,681.78x = 234,972.81 × 51,476.46
  4. Step 4: Simplify right side
    156,681.78x = 12,095,568,455.05
  5. Step 5: Solve for x
    x = 12,095,568,455.05/156,681.78
  6. Step 6: Final answer
    x = 77,198.31

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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.