Home / 180,779.36-271,269.60-80,935.52

Finding the Fourth Proportional to 180,779.36, 271,269.60 and 80,935.52

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Solution

The fourth proportional to 180,779.36, 271,269.60 and 80,935.52 is: 121,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,779.36 : 271,269.60 = 80,935.52 : x
  2. Step 2: Convert to fraction form
    180,779.36/271,269.60 = 80,935.52/x
  3. Step 3: Cross multiply
    180,779.36x = 271,269.60 × 80,935.52
  4. Step 4: Simplify right side
    180,779.36x = 21,955,346,136.19
  5. Step 5: Solve for x
    x = 21,955,346,136.19/180,779.36
  6. Step 6: Final answer
    x = 121,448.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.