Home / 102,270.63-141,096.02-61,955.31

Finding the Fourth Proportional to 102,270.63, 141,096.02 and 61,955.31

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Solution

The fourth proportional to 102,270.63, 141,096.02 and 61,955.31 is: 85,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,270.63 : 141,096.02 = 61,955.31 : x
  2. Step 2: Convert to fraction form
    102,270.63/141,096.02 = 61,955.31/x
  3. Step 3: Cross multiply
    102,270.63x = 141,096.02 × 61,955.31
  4. Step 4: Simplify right side
    102,270.63x = 8,741,647,349.09
  5. Step 5: Solve for x
    x = 8,741,647,349.09/102,270.63
  6. Step 6: Final answer
    x = 85,475.64

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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.