Home / 180,038.70-248,523.39-161,143.02

Finding the Fourth Proportional to 180,038.70, 248,523.39 and 161,143.02

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Solution

The fourth proportional to 180,038.70, 248,523.39 and 161,143.02 is: 222,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,038.70 : 248,523.39 = 161,143.02 : x
  2. Step 2: Convert to fraction form
    180,038.70/248,523.39 = 161,143.02/x
  3. Step 3: Cross multiply
    180,038.70x = 248,523.39 × 161,143.02
  4. Step 4: Simplify right side
    180,038.70x = 40,047,809,605.24
  5. Step 5: Solve for x
    x = 40,047,809,605.24/180,038.70
  6. Step 6: Final answer
    x = 222,440.01

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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.