Home / 163,574.13-225,731.03-90,977.69

Finding the Fourth Proportional to 163,574.13, 225,731.03 and 90,977.69

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Solution

The fourth proportional to 163,574.13, 225,731.03 and 90,977.69 is: 125,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,574.13 : 225,731.03 = 90,977.69 : x
  2. Step 2: Convert to fraction form
    163,574.13/225,731.03 = 90,977.69/x
  3. Step 3: Cross multiply
    163,574.13x = 225,731.03 × 90,977.69
  4. Step 4: Simplify right side
    163,574.13x = 20,536,486,087.18
  5. Step 5: Solve for x
    x = 20,536,486,087.18/163,574.13
  6. Step 6: Final answer
    x = 125,548.50

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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.