Home / 210,154.46-290,012.73-114,661.10

Finding the Fourth Proportional to 210,154.46, 290,012.73 and 114,661.10

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Solution

The fourth proportional to 210,154.46, 290,012.73 and 114,661.10 is: 158,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,154.46 : 290,012.73 = 114,661.10 : x
  2. Step 2: Convert to fraction form
    210,154.46/290,012.73 = 114,661.10/x
  3. Step 3: Cross multiply
    210,154.46x = 290,012.73 × 114,661.10
  4. Step 4: Simplify right side
    210,154.46x = 33,253,178,635.80
  5. Step 5: Solve for x
    x = 33,253,178,635.80/210,154.46
  6. Step 6: Final answer
    x = 158,232.09

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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.