Home / 188,623.60-260,302.74-103,742.08

Finding the Fourth Proportional to 188,623.60, 260,302.74 and 103,742.08

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Solution

The fourth proportional to 188,623.60, 260,302.74 and 103,742.08 is: 143,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,623.60 : 260,302.74 = 103,742.08 : x
  2. Step 2: Convert to fraction form
    188,623.60/260,302.74 = 103,742.08/x
  3. Step 3: Cross multiply
    188,623.60x = 260,302.74 × 103,742.08
  4. Step 4: Simplify right side
    188,623.60x = 27,004,347,677.30
  5. Step 5: Solve for x
    x = 27,004,347,677.30/188,623.60
  6. Step 6: Final answer
    x = 143,165.26

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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.