Home / 210,847.28-290,968.88-115,353.74

Finding the Fourth Proportional to 210,847.28, 290,968.88 and 115,353.74

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Solution

The fourth proportional to 210,847.28, 290,968.88 and 115,353.74 is: 159,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,847.28 : 290,968.88 = 115,353.74 : x
  2. Step 2: Convert to fraction form
    210,847.28/290,968.88 = 115,353.74/x
  3. Step 3: Cross multiply
    210,847.28x = 290,968.88 × 115,353.74
  4. Step 4: Simplify right side
    210,847.28x = 33,564,348,682.26
  5. Step 5: Solve for x
    x = 33,564,348,682.26/210,847.28
  6. Step 6: Final answer
    x = 159,187.97

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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.