Home / 146,014.75-201,500.36-78,946.75

Finding the Fourth Proportional to 146,014.75, 201,500.36 and 78,946.75

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Solution

The fourth proportional to 146,014.75, 201,500.36 and 78,946.75 is: 108,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,014.75 : 201,500.36 = 78,946.75 : x
  2. Step 2: Convert to fraction form
    146,014.75/201,500.36 = 78,946.75/x
  3. Step 3: Cross multiply
    146,014.75x = 201,500.36 × 78,946.75
  4. Step 4: Simplify right side
    146,014.75x = 15,907,798,545.83
  5. Step 5: Solve for x
    x = 15,907,798,545.83/146,014.75
  6. Step 6: Final answer
    x = 108,946.52

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1.5x scale

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.