Home / 210,719.34-290,944.98-130,257.18

Finding the Fourth Proportional to 210,719.34, 290,944.98 and 130,257.18

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Solution

The fourth proportional to 210,719.34, 290,944.98 and 130,257.18 is: 179,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,719.34 : 290,944.98 = 130,257.18 : x
  2. Step 2: Convert to fraction form
    210,719.34/290,944.98 = 130,257.18/x
  3. Step 3: Cross multiply
    210,719.34x = 290,944.98 × 130,257.18
  4. Step 4: Simplify right side
    210,719.34x = 37,897,672,629.96
  5. Step 5: Solve for x
    x = 37,897,672,629.96/210,719.34
  6. Step 6: Final answer
    x = 179,849.05

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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.