Home / 102,864.07-141,945.70-57,534.19

Finding the Fourth Proportional to 102,864.07, 141,945.70 and 57,534.19

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Solution

The fourth proportional to 102,864.07, 141,945.70 and 57,534.19 is: 79,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,864.07 : 141,945.70 = 57,534.19 : x
  2. Step 2: Convert to fraction form
    102,864.07/141,945.70 = 57,534.19/x
  3. Step 3: Cross multiply
    102,864.07x = 141,945.70 × 57,534.19
  4. Step 4: Simplify right side
    102,864.07x = 8,166,730,873.48
  5. Step 5: Solve for x
    x = 8,166,730,873.48/102,864.07
  6. Step 6: Final answer
    x = 79,393.43

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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.