Home / 105,246.34-157,890.26-34,155.72

Finding the Fourth Proportional to 105,246.34, 157,890.26 and 34,155.72

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Solution

The fourth proportional to 105,246.34, 157,890.26 and 34,155.72 is: 51,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,246.34 : 157,890.26 = 34,155.72 : x
  2. Step 2: Convert to fraction form
    105,246.34/157,890.26 = 34,155.72/x
  3. Step 3: Cross multiply
    105,246.34x = 157,890.26 × 34,155.72
  4. Step 4: Simplify right side
    105,246.34x = 5,392,855,596.68
  5. Step 5: Solve for x
    x = 5,392,855,596.68/105,246.34
  6. Step 6: Final answer
    x = 51,240.32

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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.