Home / 163,080.49-225,075.68-99,455.20

Finding the Fourth Proportional to 163,080.49, 225,075.68 and 99,455.20

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Solution

The fourth proportional to 163,080.49, 225,075.68 and 99,455.20 is: 137,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,080.49 : 225,075.68 = 99,455.20 : x
  2. Step 2: Convert to fraction form
    163,080.49/225,075.68 = 99,455.20/x
  3. Step 3: Cross multiply
    163,080.49x = 225,075.68 × 99,455.20
  4. Step 4: Simplify right side
    163,080.49x = 22,384,946,769.54
  5. Step 5: Solve for x
    x = 22,384,946,769.54/163,080.49
  6. Step 6: Final answer
    x = 137,263.18

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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.