Home / 158,811.20-238,126.08-65,240

Finding the Fourth Proportional to 158,811.20, 238,126.08 and 65,240

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Solution

The fourth proportional to 158,811.20, 238,126.08 and 65,240 is: 97,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,811.20 : 238,126.08 = 65,240 : x
  2. Step 2: Convert to fraction form
    158,811.20/238,126.08 = 65,240/x
  3. Step 3: Cross multiply
    158,811.20x = 238,126.08 × 65,240
  4. Step 4: Simplify right side
    158,811.20x = 15,535,345,459.20
  5. Step 5: Solve for x
    x = 15,535,345,459.20/158,811.20
  6. Step 6: Final answer
    x = 97,822.73

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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.