Home / 190,490.36-262,866.59-108,802.57

Finding the Fourth Proportional to 190,490.36, 262,866.59 and 108,802.57

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Solution

The fourth proportional to 190,490.36, 262,866.59 and 108,802.57 is: 150,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,490.36 : 262,866.59 = 108,802.57 : x
  2. Step 2: Convert to fraction form
    190,490.36/262,866.59 = 108,802.57/x
  3. Step 3: Cross multiply
    190,490.36x = 262,866.59 × 108,802.57
  4. Step 4: Simplify right side
    190,490.36x = 28,600,559,357.96
  5. Step 5: Solve for x
    x = 28,600,559,357.96/190,490.36
  6. Step 6: Final answer
    x = 150,141.77

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1.5x scale

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.