Home / 102,271.13-141,096.70-61,955.81

Finding the Fourth Proportional to 102,271.13, 141,096.70 and 61,955.81

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Solution

The fourth proportional to 102,271.13, 141,096.70 and 61,955.81 is: 85,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,271.13 : 141,096.70 = 61,955.81 : x
  2. Step 2: Convert to fraction form
    102,271.13/141,096.70 = 61,955.81/x
  3. Step 3: Cross multiply
    102,271.13x = 141,096.70 × 61,955.81
  4. Step 4: Simplify right side
    102,271.13x = 8,741,760,336.83
  5. Step 5: Solve for x
    x = 8,741,760,336.83/102,271.13
  6. Step 6: Final answer
    x = 85,476.32

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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.