Home / 102,908.52-142,008.93-57,592.26

Finding the Fourth Proportional to 102,908.52, 142,008.93 and 57,592.26

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Solution

The fourth proportional to 102,908.52, 142,008.93 and 57,592.26 is: 79,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,908.52 : 142,008.93 = 57,592.26 : x
  2. Step 2: Convert to fraction form
    102,908.52/142,008.93 = 57,592.26/x
  3. Step 3: Cross multiply
    102,908.52x = 142,008.93 × 57,592.26
  4. Step 4: Simplify right side
    102,908.52x = 8,178,615,218.88
  5. Step 5: Solve for x
    x = 8,178,615,218.88/102,908.52
  6. Step 6: Final answer
    x = 79,474.62

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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.