Home / 161,567.36-222,999.72-104,880.32

Finding the Fourth Proportional to 161,567.36, 222,999.72 and 104,880.32

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Solution

The fourth proportional to 161,567.36, 222,999.72 and 104,880.32 is: 144,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,567.36 : 222,999.72 = 104,880.32 : x
  2. Step 2: Convert to fraction form
    161,567.36/222,999.72 = 104,880.32/x
  3. Step 3: Cross multiply
    161,567.36x = 222,999.72 × 104,880.32
  4. Step 4: Simplify right side
    161,567.36x = 23,388,281,993.51
  5. Step 5: Solve for x
    x = 23,388,281,993.51/161,567.36
  6. Step 6: Final answer
    x = 144,758.71

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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.