Home / 149,478.71-223,968.92-105,025.86

Finding the Fourth Proportional to 149,478.71, 223,968.92 and 105,025.86

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Solution

The fourth proportional to 149,478.71, 223,968.92 and 105,025.86 is: 157,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,478.71 : 223,968.92 = 105,025.86 : x
  2. Step 2: Convert to fraction form
    149,478.71/223,968.92 = 105,025.86/x
  3. Step 3: Cross multiply
    149,478.71x = 223,968.92 × 105,025.86
  4. Step 4: Simplify right side
    149,478.71x = 23,522,527,911.14
  5. Step 5: Solve for x
    x = 23,522,527,911.14/149,478.71
  6. Step 6: Final answer
    x = 157,363.74

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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.