Home / 144,228.36-216,048.78-117,669

Finding the Fourth Proportional to 144,228.36, 216,048.78 and 117,669

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Solution

The fourth proportional to 144,228.36, 216,048.78 and 117,669 is: 176,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,228.36 : 216,048.78 = 117,669 : x
  2. Step 2: Convert to fraction form
    144,228.36/216,048.78 = 117,669/x
  3. Step 3: Cross multiply
    144,228.36x = 216,048.78 × 117,669
  4. Step 4: Simplify right side
    144,228.36x = 25,422,243,893.82
  5. Step 5: Solve for x
    x = 25,422,243,893.82/144,228.36
  6. Step 6: Final answer
    x = 176,263.84

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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.