Home / 212,553.59-293,319.53-115,758.50

Finding the Fourth Proportional to 212,553.59, 293,319.53 and 115,758.50

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Solution

The fourth proportional to 212,553.59, 293,319.53 and 115,758.50 is: 159,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,553.59 : 293,319.53 = 115,758.50 : x
  2. Step 2: Convert to fraction form
    212,553.59/293,319.53 = 115,758.50/x
  3. Step 3: Cross multiply
    212,553.59x = 293,319.53 × 115,758.50
  4. Step 4: Simplify right side
    212,553.59x = 33,954,227,202.21
  5. Step 5: Solve for x
    x = 33,954,227,202.21/212,553.59
  6. Step 6: Final answer
    x = 159,744.32

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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.