Home / 102,657.23-141,664.07-57,333.88

Finding the Fourth Proportional to 102,657.23, 141,664.07 and 57,333.88

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Solution

The fourth proportional to 102,657.23, 141,664.07 and 57,333.88 is: 79,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,657.23 : 141,664.07 = 57,333.88 : x
  2. Step 2: Convert to fraction form
    102,657.23/141,664.07 = 57,333.88/x
  3. Step 3: Cross multiply
    102,657.23x = 141,664.07 × 57,333.88
  4. Step 4: Simplify right side
    102,657.23x = 8,122,151,110.11
  5. Step 5: Solve for x
    x = 8,122,151,110.11/102,657.23
  6. Step 6: Final answer
    x = 79,119.13

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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.