Home / 102,495.09-141,444-57,176.04

Finding the Fourth Proportional to 102,495.09, 141,444 and 57,176.04

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Solution

The fourth proportional to 102,495.09, 141,444 and 57,176.04 is: 78,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,495.09 : 141,444 = 57,176.04 : x
  2. Step 2: Convert to fraction form
    102,495.09/141,444 = 57,176.04/x
  3. Step 3: Cross multiply
    102,495.09x = 141,444 × 57,176.04
  4. Step 4: Simplify right side
    102,495.09x = 8,087,207,801.76
  5. Step 5: Solve for x
    x = 8,087,207,801.76/102,495.09
  6. Step 6: Final answer
    x = 78,903.37

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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.