Home / 190,463.75-262,838.52-104,421.71

Finding the Fourth Proportional to 190,463.75, 262,838.52 and 104,421.71

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Solution

The fourth proportional to 190,463.75, 262,838.52 and 104,421.71 is: 144,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,463.75 : 262,838.52 = 104,421.71 : x
  2. Step 2: Convert to fraction form
    190,463.75/262,838.52 = 104,421.71/x
  3. Step 3: Cross multiply
    190,463.75x = 262,838.52 × 104,421.71
  4. Step 4: Simplify right side
    190,463.75x = 27,446,046,398.08
  5. Step 5: Solve for x
    x = 27,446,046,398.08/190,463.75
  6. Step 6: Final answer
    x = 144,101.16

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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.