Home / 102,873.17-141,980.09-62,579.11

Finding the Fourth Proportional to 102,873.17, 141,980.09 and 62,579.11

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Solution

The fourth proportional to 102,873.17, 141,980.09 and 62,579.11 is: 86,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,873.17 : 141,980.09 = 62,579.11 : x
  2. Step 2: Convert to fraction form
    102,873.17/141,980.09 = 62,579.11/x
  3. Step 3: Cross multiply
    102,873.17x = 141,980.09 × 62,579.11
  4. Step 4: Simplify right side
    102,873.17x = 8,884,987,669.92
  5. Step 5: Solve for x
    x = 8,884,987,669.92/102,873.17
  6. Step 6: Final answer
    x = 86,368.37

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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.