Home / 102,572.59-141,557.31-57,259.42

Finding the Fourth Proportional to 102,572.59, 141,557.31 and 57,259.42

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Solution

The fourth proportional to 102,572.59, 141,557.31 and 57,259.42 is: 79,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,572.59 : 141,557.31 = 57,259.42 : x
  2. Step 2: Convert to fraction form
    102,572.59/141,557.31 = 57,259.42/x
  3. Step 3: Cross multiply
    102,572.59x = 141,557.31 × 57,259.42
  4. Step 4: Simplify right side
    102,572.59x = 8,105,489,467.36
  5. Step 5: Solve for x
    x = 8,105,489,467.36/102,572.59
  6. Step 6: Final answer
    x = 79,021.98

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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.