Home / 113,142.68-169,779.30-60,581.48

Finding the Fourth Proportional to 113,142.68, 169,779.30 and 60,581.48

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Solution

The fourth proportional to 113,142.68, 169,779.30 and 60,581.48 is: 90,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,142.68 : 169,779.30 = 60,581.48 : x
  2. Step 2: Convert to fraction form
    113,142.68/169,779.30 = 60,581.48/x
  3. Step 3: Cross multiply
    113,142.68x = 169,779.30 × 60,581.48
  4. Step 4: Simplify right side
    113,142.68x = 10,285,481,267.36
  5. Step 5: Solve for x
    x = 10,285,481,267.36/113,142.68
  6. Step 6: Final answer
    x = 90,907.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.