Home / 103,271.24-142,502.74-57,939.79

Finding the Fourth Proportional to 103,271.24, 142,502.74 and 57,939.79

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Solution

The fourth proportional to 103,271.24, 142,502.74 and 57,939.79 is: 79,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271.24 : 142,502.74 = 57,939.79 : x
  2. Step 2: Convert to fraction form
    103,271.24/142,502.74 = 57,939.79/x
  3. Step 3: Cross multiply
    103,271.24x = 142,502.74 × 57,939.79
  4. Step 4: Simplify right side
    103,271.24x = 8,256,578,328.92
  5. Step 5: Solve for x
    x = 8,256,578,328.92/103,271.24
  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.