Home / 153,069.58-211,238.55-84,161.96

Finding the Fourth Proportional to 153,069.58, 211,238.55 and 84,161.96

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Solution

The fourth proportional to 153,069.58, 211,238.55 and 84,161.96 is: 116,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,069.58 : 211,238.55 = 84,161.96 : x
  2. Step 2: Convert to fraction form
    153,069.58/211,238.55 = 84,161.96/x
  3. Step 3: Cross multiply
    153,069.58x = 211,238.55 × 84,161.96
  4. Step 4: Simplify right side
    153,069.58x = 17,778,249,339.37
  5. Step 5: Solve for x
    x = 17,778,249,339.37/153,069.58
  6. Step 6: Final answer
    x = 116,144.89

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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.