Home / 153,069.54-211,238.51-84,161.92

Finding the Fourth Proportional to 153,069.54, 211,238.51 and 84,161.92

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Solution

The fourth proportional to 153,069.54, 211,238.51 and 84,161.92 is: 116,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,069.54 : 211,238.51 = 84,161.92 : x
  2. Step 2: Convert to fraction form
    153,069.54/211,238.51 = 84,161.92/x
  3. Step 3: Cross multiply
    153,069.54x = 211,238.51 × 84,161.92
  4. Step 4: Simplify right side
    153,069.54x = 17,778,238,579.54
  5. Step 5: Solve for x
    x = 17,778,238,579.54/153,069.54
  6. Step 6: Final answer
    x = 116,144.85

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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.