Home / 163,739.82-245,595.66-99,681.33

Finding the Fourth Proportional to 163,739.82, 245,595.66 and 99,681.33

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Solution

The fourth proportional to 163,739.82, 245,595.66 and 99,681.33 is: 149,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,739.82 : 245,595.66 = 99,681.33 : x
  2. Step 2: Convert to fraction form
    163,739.82/245,595.66 = 99,681.33/x
  3. Step 3: Cross multiply
    163,739.82x = 245,595.66 × 99,681.33
  4. Step 4: Simplify right side
    163,739.82x = 24,481,302,031.03
  5. Step 5: Solve for x
    x = 24,481,302,031.03/163,739.82
  6. Step 6: Final answer
    x = 149,513.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.