Home / 102,583.56-141,572.43-57,270.45

Finding the Fourth Proportional to 102,583.56, 141,572.43 and 57,270.45

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Solution

The fourth proportional to 102,583.56, 141,572.43 and 57,270.45 is: 79,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,583.56 : 141,572.43 = 57,270.45 : x
  2. Step 2: Convert to fraction form
    102,583.56/141,572.43 = 57,270.45/x
  3. Step 3: Cross multiply
    102,583.56x = 141,572.43 × 57,270.45
  4. Step 4: Simplify right side
    102,583.56x = 8,107,916,773.69
  5. Step 5: Solve for x
    x = 8,107,916,773.69/102,583.56
  6. Step 6: Final answer
    x = 79,037.19

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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.