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Finding the Fourth Proportional to 158,744.39, 238,054.52 and 57,518.39

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Solution

The fourth proportional to 158,744.39, 238,054.52 and 57,518.39 is: 86,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,744.39 : 238,054.52 = 57,518.39 : x
  2. Step 2: Convert to fraction form
    158,744.39/238,054.52 = 57,518.39/x
  3. Step 3: Cross multiply
    158,744.39x = 238,054.52 × 57,518.39
  4. Step 4: Simplify right side
    158,744.39x = 13,692,513,461.56
  5. Step 5: Solve for x
    x = 13,692,513,461.56/158,744.39
  6. Step 6: Final answer
    x = 86,255.10

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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.