Home / 210,204.22-290,087.94-114,717.08

Finding the Fourth Proportional to 210,204.22, 290,087.94 and 114,717.08

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Solution

The fourth proportional to 210,204.22, 290,087.94 and 114,717.08 is: 158,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,204.22 : 290,087.94 = 114,717.08 : x
  2. Step 2: Convert to fraction form
    210,204.22/290,087.94 = 114,717.08/x
  3. Step 3: Cross multiply
    210,204.22x = 290,087.94 × 114,717.08
  4. Step 4: Simplify right side
    210,204.22x = 33,278,041,420.02
  5. Step 5: Solve for x
    x = 33,278,041,420.02/210,204.22
  6. Step 6: Final answer
    x = 158,312.91

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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.