Home / 190,204.24-262,478.64-105,319.48

Finding the Fourth Proportional to 190,204.24, 262,478.64 and 105,319.48

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Solution

The fourth proportional to 190,204.24, 262,478.64 and 105,319.48 is: 145,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,204.24 : 262,478.64 = 105,319.48 : x
  2. Step 2: Convert to fraction form
    190,204.24/262,478.64 = 105,319.48/x
  3. Step 3: Cross multiply
    190,204.24x = 262,478.64 × 105,319.48
  4. Step 4: Simplify right side
    190,204.24x = 27,644,113,875.91
  5. Step 5: Solve for x
    x = 27,644,113,875.91/190,204.24
  6. Step 6: Final answer
    x = 145,339.10

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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.