Home / 210,727.34-290,722.46-130,014.88

Finding the Fourth Proportional to 210,727.34, 290,722.46 and 130,014.88

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Solution

The fourth proportional to 210,727.34, 290,722.46 and 130,014.88 is: 179,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,727.34 : 290,722.46 = 130,014.88 : x
  2. Step 2: Convert to fraction form
    210,727.34/290,722.46 = 130,014.88/x
  3. Step 3: Cross multiply
    210,727.34x = 290,722.46 × 130,014.88
  4. Step 4: Simplify right side
    210,727.34x = 37,798,245,750.20
  5. Step 5: Solve for x
    x = 37,798,245,750.20/210,727.34
  6. Step 6: Final answer
    x = 179,370.39

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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.