Home / 212,926.08-293,595.12-159,120.48

Finding the Fourth Proportional to 212,926.08, 293,595.12 and 159,120.48

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Solution

The fourth proportional to 212,926.08, 293,595.12 and 159,120.48 is: 219,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,926.08 : 293,595.12 = 159,120.48 : x
  2. Step 2: Convert to fraction form
    212,926.08/293,595.12 = 159,120.48/x
  3. Step 3: Cross multiply
    212,926.08x = 293,595.12 × 159,120.48
  4. Step 4: Simplify right side
    212,926.08x = 46,716,996,420.06
  5. Step 5: Solve for x
    x = 46,716,996,420.06/212,926.08
  6. Step 6: Final answer
    x = 219,404.76

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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.