Home / 179,085.08-247,110-103,619

Finding the Fourth Proportional to 179,085.08, 247,110 and 103,619

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Solution

The fourth proportional to 179,085.08, 247,110 and 103,619 is: 142,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,085.08 : 247,110 = 103,619 : x
  2. Step 2: Convert to fraction form
    179,085.08/247,110 = 103,619/x
  3. Step 3: Cross multiply
    179,085.08x = 247,110 × 103,619
  4. Step 4: Simplify right side
    179,085.08x = 25,605,291,090
  5. Step 5: Solve for x
    x = 25,605,291,090/179,085.08
  6. Step 6: Final answer
    x = 142,978.36

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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.