Home / 160,980.19-222,051.61-103,693.75

Finding the Fourth Proportional to 160,980.19, 222,051.61 and 103,693.75

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Solution

The fourth proportional to 160,980.19, 222,051.61 and 103,693.75 is: 143,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,980.19 : 222,051.61 = 103,693.75 : x
  2. Step 2: Convert to fraction form
    160,980.19/222,051.61 = 103,693.75/x
  3. Step 3: Cross multiply
    160,980.19x = 222,051.61 × 103,693.75
  4. Step 4: Simplify right side
    160,980.19x = 23,025,364,134.44
  5. Step 5: Solve for x
    x = 23,025,364,134.44/160,980.19
  6. Step 6: Final answer
    x = 143,032.28

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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.