Home / 188,529.12-260,172.81-103,648.01

Finding the Fourth Proportional to 188,529.12, 260,172.81 and 103,648.01

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Solution

The fourth proportional to 188,529.12, 260,172.81 and 103,648.01 is: 143,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,529.12 : 260,172.81 = 103,648.01 : x
  2. Step 2: Convert to fraction form
    188,529.12/260,172.81 = 103,648.01/x
  3. Step 3: Cross multiply
    188,529.12x = 260,172.81 × 103,648.01
  4. Step 4: Simplify right side
    188,529.12x = 26,966,392,711.74
  5. Step 5: Solve for x
    x = 26,966,392,711.74/188,529.12
  6. Step 6: Final answer
    x = 143,035.69

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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.