Home / 179,347.95-247,478.64-102,863.07

Finding the Fourth Proportional to 179,347.95, 247,478.64 and 102,863.07

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Solution

The fourth proportional to 179,347.95, 247,478.64 and 102,863.07 is: 141,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,347.95 : 247,478.64 = 102,863.07 : x
  2. Step 2: Convert to fraction form
    179,347.95/247,478.64 = 102,863.07/x
  3. Step 3: Cross multiply
    179,347.95x = 247,478.64 × 102,863.07
  4. Step 4: Simplify right side
    179,347.95x = 25,456,412,669.82
  5. Step 5: Solve for x
    x = 25,456,412,669.82/179,347.95
  6. Step 6: Final answer
    x = 141,938.69

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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.