Home / 212,454.91-293,094.08-131,720.59

Finding the Fourth Proportional to 212,454.91, 293,094.08 and 131,720.59

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Solution

The fourth proportional to 212,454.91, 293,094.08 and 131,720.59 is: 181,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,454.91 : 293,094.08 = 131,720.59 : x
  2. Step 2: Convert to fraction form
    212,454.91/293,094.08 = 131,720.59/x
  3. Step 3: Cross multiply
    212,454.91x = 293,094.08 × 131,720.59
  4. Step 4: Simplify right side
    212,454.91x = 38,606,524,484.50
  5. Step 5: Solve for x
    x = 38,606,524,484.50/212,454.91
  6. Step 6: Final answer
    x = 181,716.32

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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.