Home / 153,136.36-211,379.79-104,767.21

Finding the Fourth Proportional to 153,136.36, 211,379.79 and 104,767.21

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Solution

The fourth proportional to 153,136.36, 211,379.79 and 104,767.21 is: 144,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,136.36 : 211,379.79 = 104,767.21 : x
  2. Step 2: Convert to fraction form
    153,136.36/211,379.79 = 104,767.21/x
  3. Step 3: Cross multiply
    153,136.36x = 211,379.79 × 104,767.21
  4. Step 4: Simplify right side
    153,136.36x = 22,145,670,848.69
  5. Step 5: Solve for x
    x = 22,145,670,848.69/153,136.36
  6. Step 6: Final answer
    x = 144,614.06

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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.