Home / 179,646.90-247,901.25-99,075

Finding the Fourth Proportional to 179,646.90, 247,901.25 and 99,075

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Solution

The fourth proportional to 179,646.90, 247,901.25 and 99,075 is: 136,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,646.90 : 247,901.25 = 99,075 : x
  2. Step 2: Convert to fraction form
    179,646.90/247,901.25 = 99,075/x
  3. Step 3: Cross multiply
    179,646.90x = 247,901.25 × 99,075
  4. Step 4: Simplify right side
    179,646.90x = 24,560,816,343.75
  5. Step 5: Solve for x
    x = 24,560,816,343.75/179,646.90
  6. Step 6: Final answer
    x = 136,717.17

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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.