Home / 147,856.84-222,782.83-122,137.48

Finding the Fourth Proportional to 147,856.84, 222,782.83 and 122,137.48

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Solution

The fourth proportional to 147,856.84, 222,782.83 and 122,137.48 is: 184,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.84 : 222,782.83 = 122,137.48 : x
  2. Step 2: Convert to fraction form
    147,856.84/222,782.83 = 122,137.48/x
  3. Step 3: Cross multiply
    147,856.84x = 222,782.83 × 122,137.48
  4. Step 4: Simplify right side
    147,856.84x = 27,210,133,443.47
  5. Step 5: Solve for x
    x = 27,210,133,443.47/147,856.84
  6. Step 6: Final answer
    x = 184,030.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.