Home / 210,288.84-290,199.12-114,795.60

Finding the Fourth Proportional to 210,288.84, 290,199.12 and 114,795.60

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Solution

The fourth proportional to 210,288.84, 290,199.12 and 114,795.60 is: 158,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,288.84 : 290,199.12 = 114,795.60 : x
  2. Step 2: Convert to fraction form
    210,288.84/290,199.12 = 114,795.60/x
  3. Step 3: Cross multiply
    210,288.84x = 290,199.12 × 114,795.60
  4. Step 4: Simplify right side
    210,288.84x = 33,313,582,099.87
  5. Step 5: Solve for x
    x = 33,313,582,099.87/210,288.84
  6. Step 6: Final answer
    x = 158,418.21

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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.