Home / 210,549.48-290,546.04-115,056.96

Finding the Fourth Proportional to 210,549.48, 290,546.04 and 115,056.96

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Solution

The fourth proportional to 210,549.48, 290,546.04 and 115,056.96 is: 158,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,549.48 : 290,546.04 = 115,056.96 : x
  2. Step 2: Convert to fraction form
    210,549.48/290,546.04 = 115,056.96/x
  3. Step 3: Cross multiply
    210,549.48x = 290,546.04 × 115,056.96
  4. Step 4: Simplify right side
    210,549.48x = 33,429,344,102.44
  5. Step 5: Solve for x
    x = 33,429,344,102.44/210,549.48
  6. Step 6: Final answer
    x = 158,771.91

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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.