Home / 238,130.36-357,212.82-71,931.32

Finding the Fourth Proportional to 238,130.36, 357,212.82 and 71,931.32

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Solution

The fourth proportional to 238,130.36, 357,212.82 and 71,931.32 is: 107,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,130.36 : 357,212.82 = 71,931.32 : x
  2. Step 2: Convert to fraction form
    238,130.36/357,212.82 = 71,931.32/x
  3. Step 3: Cross multiply
    238,130.36x = 357,212.82 × 71,931.32
  4. Step 4: Simplify right side
    238,130.36x = 25,694,789,663.52
  5. Step 5: Solve for x
    x = 25,694,789,663.52/238,130.36
  6. Step 6: Final answer
    x = 107,902.20

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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.