Home / 103,593.18-142,960.98-57,653.28

Finding the Fourth Proportional to 103,593.18, 142,960.98 and 57,653.28

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Solution

The fourth proportional to 103,593.18, 142,960.98 and 57,653.28 is: 79,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,593.18 : 142,960.98 = 57,653.28 : x
  2. Step 2: Convert to fraction form
    103,593.18/142,960.98 = 57,653.28/x
  3. Step 3: Cross multiply
    103,593.18x = 142,960.98 × 57,653.28
  4. Step 4: Simplify right side
    103,593.18x = 8,242,169,409.01
  5. Step 5: Solve for x
    x = 8,242,169,409.01/103,593.18
  6. Step 6: Final answer
    x = 79,562.86

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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.