Home / 210,112.78-289,959.75-114,623.02

Finding the Fourth Proportional to 210,112.78, 289,959.75 and 114,623.02

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Solution

The fourth proportional to 210,112.78, 289,959.75 and 114,623.02 is: 158,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,112.78 : 289,959.75 = 114,623.02 : x
  2. Step 2: Convert to fraction form
    210,112.78/289,959.75 = 114,623.02/x
  3. Step 3: Cross multiply
    210,112.78x = 289,959.75 × 114,623.02
  4. Step 4: Simplify right side
    210,112.78x = 33,236,062,223.45
  5. Step 5: Solve for x
    x = 33,236,062,223.45/210,112.78
  6. Step 6: Final answer
    x = 158,182.01

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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.