Home / 102,849.42-141,939.46-57,531.64

Finding the Fourth Proportional to 102,849.42, 141,939.46 and 57,531.64

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Solution

The fourth proportional to 102,849.42, 141,939.46 and 57,531.64 is: 79,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,849.42 : 141,939.46 = 57,531.64 : x
  2. Step 2: Convert to fraction form
    102,849.42/141,939.46 = 57,531.64/x
  3. Step 3: Cross multiply
    102,849.42x = 141,939.46 × 57,531.64
  4. Step 4: Simplify right side
    102,849.42x = 8,166,009,914.51
  5. Step 5: Solve for x
    x = 8,166,009,914.51/102,849.42
  6. Step 6: Final answer
    x = 79,397.72

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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.