Home / 180,020.28-248,442.84-103,564.20

Finding the Fourth Proportional to 180,020.28, 248,442.84 and 103,564.20

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Solution

The fourth proportional to 180,020.28, 248,442.84 and 103,564.20 is: 142,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,020.28 : 248,442.84 = 103,564.20 : x
  2. Step 2: Convert to fraction form
    180,020.28/248,442.84 = 103,564.20/x
  3. Step 3: Cross multiply
    180,020.28x = 248,442.84 × 103,564.20
  4. Step 4: Simplify right side
    180,020.28x = 25,729,783,970.33
  5. Step 5: Solve for x
    x = 25,729,783,970.33/180,020.28
  6. Step 6: Final answer
    x = 142,927.14

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1.5x scale

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.