Home / 261,913.28-392,895.24-104,106.32

Finding the Fourth Proportional to 261,913.28, 392,895.24 and 104,106.32

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Solution

The fourth proportional to 261,913.28, 392,895.24 and 104,106.32 is: 156,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,913.28 : 392,895.24 = 104,106.32 : x
  2. Step 2: Convert to fraction form
    261,913.28/392,895.24 = 104,106.32/x
  3. Step 3: Cross multiply
    261,913.28x = 392,895.24 × 104,106.32
  4. Step 4: Simplify right side
    261,913.28x = 40,902,877,581.92
  5. Step 5: Solve for x
    x = 40,902,877,581.92/261,913.28
  6. Step 6: Final answer
    x = 156,169.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.