Home / 105,462.14-145,537.74-57,715.52

Finding the Fourth Proportional to 105,462.14, 145,537.74 and 57,715.52

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Solution

The fourth proportional to 105,462.14, 145,537.74 and 57,715.52 is: 79,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,462.14 : 145,537.74 = 57,715.52 : x
  2. Step 2: Convert to fraction form
    105,462.14/145,537.74 = 57,715.52/x
  3. Step 3: Cross multiply
    105,462.14x = 145,537.74 × 57,715.52
  4. Step 4: Simplify right side
    105,462.14x = 8,399,786,343.72
  5. Step 5: Solve for x
    x = 8,399,786,343.72/105,462.14
  6. Step 6: Final answer
    x = 79,647.41

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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.