Home / 210,862.20-315,943.38-148,401.48

Finding the Fourth Proportional to 210,862.20, 315,943.38 and 148,401.48

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Solution

The fourth proportional to 210,862.20, 315,943.38 and 148,401.48 is: 222,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,862.20 : 315,943.38 = 148,401.48 : x
  2. Step 2: Convert to fraction form
    210,862.20/315,943.38 = 148,401.48/x
  3. Step 3: Cross multiply
    210,862.20x = 315,943.38 × 148,401.48
  4. Step 4: Simplify right side
    210,862.20x = 46,886,465,188.20
  5. Step 5: Solve for x
    x = 46,886,465,188.20/210,862.20
  6. Step 6: Final answer
    x = 222,355.95

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1.5x scale

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.