Home / 188,870.53-260,657.18-104,003.59

Finding the Fourth Proportional to 188,870.53, 260,657.18 and 104,003.59

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Solution

The fourth proportional to 188,870.53, 260,657.18 and 104,003.59 is: 143,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,870.53 : 260,657.18 = 104,003.59 : x
  2. Step 2: Convert to fraction form
    188,870.53/260,657.18 = 104,003.59/x
  3. Step 3: Cross multiply
    188,870.53x = 260,657.18 × 104,003.59
  4. Step 4: Simplify right side
    188,870.53x = 27,109,282,479.28
  5. Step 5: Solve for x
    x = 27,109,282,479.28/188,870.53
  6. Step 6: Final answer
    x = 143,533.68

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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.