Home / 102,895.29-141,806.03-84,880.89

Finding the Fourth Proportional to 102,895.29, 141,806.03 and 84,880.89

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Solution

The fourth proportional to 102,895.29, 141,806.03 and 84,880.89 is: 116,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,895.29 : 141,806.03 = 84,880.89 : x
  2. Step 2: Convert to fraction form
    102,895.29/141,806.03 = 84,880.89/x
  3. Step 3: Cross multiply
    102,895.29x = 141,806.03 × 84,880.89
  4. Step 4: Simplify right side
    102,895.29x = 12,036,621,609.36
  5. Step 5: Solve for x
    x = 12,036,621,609.36/102,895.29
  6. Step 6: Final answer
    x = 116,979.33

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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.