Home / 212,372.40-293,079.80-115,577.15

Finding the Fourth Proportional to 212,372.40, 293,079.80 and 115,577.15

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Solution

The fourth proportional to 212,372.40, 293,079.80 and 115,577.15 is: 159,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,372.40 : 293,079.80 = 115,577.15 : x
  2. Step 2: Convert to fraction form
    212,372.40/293,079.80 = 115,577.15/x
  3. Step 3: Cross multiply
    212,372.40x = 293,079.80 × 115,577.15
  4. Step 4: Simplify right side
    212,372.40x = 33,873,327,654.40
  5. Step 5: Solve for x
    x = 33,873,327,654.40/212,372.40
  6. Step 6: Final answer
    x = 159,499.67

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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.