Home / 117,127.35-161,633.81-63,411.93

Finding the Fourth Proportional to 117,127.35, 161,633.81 and 63,411.93

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Solution

The fourth proportional to 117,127.35, 161,633.81 and 63,411.93 is: 87,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,127.35 : 161,633.81 = 63,411.93 : x
  2. Step 2: Convert to fraction form
    117,127.35/161,633.81 = 63,411.93/x
  3. Step 3: Cross multiply
    117,127.35x = 161,633.81 × 63,411.93
  4. Step 4: Simplify right side
    117,127.35x = 10,249,512,003.88
  5. Step 5: Solve for x
    x = 10,249,512,003.88/117,127.35
  6. Step 6: Final answer
    x = 87,507.42

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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.