Home / 153,667.66-211,982.30-102,664.08

Finding the Fourth Proportional to 153,667.66, 211,982.30 and 102,664.08

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Solution

The fourth proportional to 153,667.66, 211,982.30 and 102,664.08 is: 141,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,667.66 : 211,982.30 = 102,664.08 : x
  2. Step 2: Convert to fraction form
    153,667.66/211,982.30 = 102,664.08/x
  3. Step 3: Cross multiply
    153,667.66x = 211,982.30 × 102,664.08
  4. Step 4: Simplify right side
    153,667.66x = 21,762,967,805.78
  5. Step 5: Solve for x
    x = 21,762,967,805.78/153,667.66
  6. Step 6: Final answer
    x = 141,623.60

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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.