Home / 188,518.61-260,160.66-102,483.38

Finding the Fourth Proportional to 188,518.61, 260,160.66 and 102,483.38

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Solution

The fourth proportional to 188,518.61, 260,160.66 and 102,483.38 is: 141,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,518.61 : 260,160.66 = 102,483.38 : x
  2. Step 2: Convert to fraction form
    188,518.61/260,160.66 = 102,483.38/x
  3. Step 3: Cross multiply
    188,518.61x = 260,160.66 × 102,483.38
  4. Step 4: Simplify right side
    188,518.61x = 26,662,143,779.83
  5. Step 5: Solve for x
    x = 26,662,143,779.83/188,518.61
  6. Step 6: Final answer
    x = 141,429.77

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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.