Home / 210,792.20-290,811.53-134,297.60

Finding the Fourth Proportional to 210,792.20, 290,811.53 and 134,297.60

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Solution

The fourth proportional to 210,792.20, 290,811.53 and 134,297.60 is: 185,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,792.20 : 290,811.53 = 134,297.60 : x
  2. Step 2: Convert to fraction form
    210,792.20/290,811.53 = 134,297.60/x
  3. Step 3: Cross multiply
    210,792.20x = 290,811.53 × 134,297.60
  4. Step 4: Simplify right side
    210,792.20x = 39,055,291,048.83
  5. Step 5: Solve for x
    x = 39,055,291,048.83/210,792.20
  6. Step 6: Final answer
    x = 185,278.63

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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.