Home / 161,147.76-222,312.36-107,380.32

Finding the Fourth Proportional to 161,147.76, 222,312.36 and 107,380.32

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Solution

The fourth proportional to 161,147.76, 222,312.36 and 107,380.32 is: 148,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,147.76 : 222,312.36 = 107,380.32 : x
  2. Step 2: Convert to fraction form
    161,147.76/222,312.36 = 107,380.32/x
  3. Step 3: Cross multiply
    161,147.76x = 222,312.36 × 107,380.32
  4. Step 4: Simplify right side
    161,147.76x = 23,871,972,356.76
  5. Step 5: Solve for x
    x = 23,871,972,356.76/161,147.76
  6. Step 6: Final answer
    x = 148,137.17

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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.