Home / 170,943.96-256,386.28-46,255.80

Finding the Fourth Proportional to 170,943.96, 256,386.28 and 46,255.80

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Solution

The fourth proportional to 170,943.96, 256,386.28 and 46,255.80 is: 69,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,943.96 : 256,386.28 = 46,255.80 : x
  2. Step 2: Convert to fraction form
    170,943.96/256,386.28 = 46,255.80/x
  3. Step 3: Cross multiply
    170,943.96x = 256,386.28 × 46,255.80
  4. Step 4: Simplify right side
    170,943.96x = 11,859,352,490.42
  5. Step 5: Solve for x
    x = 11,859,352,490.42/170,943.96
  6. Step 6: Final answer
    x = 69,375.67

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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.