Home / 188,895.06-260,678.43-102,856.50

Finding the Fourth Proportional to 188,895.06, 260,678.43 and 102,856.50

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Solution

The fourth proportional to 188,895.06, 260,678.43 and 102,856.50 is: 141,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,895.06 : 260,678.43 = 102,856.50 : x
  2. Step 2: Convert to fraction form
    188,895.06/260,678.43 = 102,856.50/x
  3. Step 3: Cross multiply
    188,895.06x = 260,678.43 × 102,856.50
  4. Step 4: Simplify right side
    188,895.06x = 26,812,470,935.30
  5. Step 5: Solve for x
    x = 26,812,470,935.30/188,895.06
  6. Step 6: Final answer
    x = 141,943.74

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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.