Home / 210,522.08-290,524.38-115,034.96

Finding the Fourth Proportional to 210,522.08, 290,524.38 and 115,034.96

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Solution

The fourth proportional to 210,522.08, 290,524.38 and 115,034.96 is: 158,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,522.08 : 290,524.38 = 115,034.96 : x
  2. Step 2: Convert to fraction form
    210,522.08/290,524.38 = 115,034.96/x
  3. Step 3: Cross multiply
    210,522.08x = 290,524.38 × 115,034.96
  4. Step 4: Simplify right side
    210,522.08x = 33,420,460,432.32
  5. Step 5: Solve for x
    x = 33,420,460,432.32/210,522.08
  6. Step 6: Final answer
    x = 158,750.38

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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.