Home / 179,030.49-247,065.09-102,556.28

Finding the Fourth Proportional to 179,030.49, 247,065.09 and 102,556.28

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Solution

The fourth proportional to 179,030.49, 247,065.09 and 102,556.28 is: 141,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,030.49 : 247,065.09 = 102,556.28 : x
  2. Step 2: Convert to fraction form
    179,030.49/247,065.09 = 102,556.28/x
  3. Step 3: Cross multiply
    179,030.49x = 247,065.09 × 102,556.28
  4. Step 4: Simplify right side
    179,030.49x = 25,338,075,312.94
  5. Step 5: Solve for x
    x = 25,338,075,312.94/179,030.49
  6. Step 6: Final answer
    x = 141,529.39

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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.