Home / 190,207.86-262,483.64-105,323.10

Finding the Fourth Proportional to 190,207.86, 262,483.64 and 105,323.10

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Solution

The fourth proportional to 190,207.86, 262,483.64 and 105,323.10 is: 145,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,207.86 : 262,483.64 = 105,323.10 : x
  2. Step 2: Convert to fraction form
    190,207.86/262,483.64 = 105,323.10/x
  3. Step 3: Cross multiply
    190,207.86x = 262,483.64 × 105,323.10
  4. Step 4: Simplify right side
    190,207.86x = 27,645,590,664.08
  5. Step 5: Solve for x
    x = 27,645,590,664.08/190,207.86
  6. Step 6: Final answer
    x = 145,344.10

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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.