Home / 127,942.81-191,724.67-51,948.93

Finding the Fourth Proportional to 127,942.81, 191,724.67 and 51,948.93

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Solution

The fourth proportional to 127,942.81, 191,724.67 and 51,948.93 is: 77,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,942.81 : 191,724.67 = 51,948.93 : x
  2. Step 2: Convert to fraction form
    127,942.81/191,724.67 = 51,948.93/x
  3. Step 3: Cross multiply
    127,942.81x = 191,724.67 × 51,948.93
  4. Step 4: Simplify right side
    127,942.81x = 9,959,891,461.10
  5. Step 5: Solve for x
    x = 9,959,891,461.10/127,942.81
  6. Step 6: Final answer
    x = 77,846.43

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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.