Home / 127,233.20-190,927.80-52,389.20

Finding the Fourth Proportional to 127,233.20, 190,927.80 and 52,389.20

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Solution

The fourth proportional to 127,233.20, 190,927.80 and 52,389.20 is: 78,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,233.20 : 190,927.80 = 52,389.20 : x
  2. Step 2: Convert to fraction form
    127,233.20/190,927.80 = 52,389.20/x
  3. Step 3: Cross multiply
    127,233.20x = 190,927.80 × 52,389.20
  4. Step 4: Simplify right side
    127,233.20x = 10,002,554,699.76
  5. Step 5: Solve for x
    x = 10,002,554,699.76/127,233.20
  6. Step 6: Final answer
    x = 78,615.92

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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.