Home / 212,266.34-293,062.03-131,779.28

Finding the Fourth Proportional to 212,266.34, 293,062.03 and 131,779.28

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Solution

The fourth proportional to 212,266.34, 293,062.03 and 131,779.28 is: 181,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,266.34 : 293,062.03 = 131,779.28 : x
  2. Step 2: Convert to fraction form
    212,266.34/293,062.03 = 131,779.28/x
  3. Step 3: Cross multiply
    212,266.34x = 293,062.03 × 131,779.28
  4. Step 4: Simplify right side
    212,266.34x = 38,619,501,513.98
  5. Step 5: Solve for x
    x = 38,619,501,513.98/212,266.34
  6. Step 6: Final answer
    x = 181,938.88

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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.