Home / 103,271.24-142,502.73-57,939.80

Finding the Fourth Proportional to 103,271.24, 142,502.73 and 57,939.80

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Solution

The fourth proportional to 103,271.24, 142,502.73 and 57,939.80 is: 79,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271.24 : 142,502.73 = 57,939.80 : x
  2. Step 2: Convert to fraction form
    103,271.24/142,502.73 = 57,939.80/x
  3. Step 3: Cross multiply
    103,271.24x = 142,502.73 × 57,939.80
  4. Step 4: Simplify right side
    103,271.24x = 8,256,578,963.14
  5. Step 5: Solve for x
    x = 8,256,578,963.14/103,271.24
  6. Step 6: Final answer
    x = 79,950.42

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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.