Home / 212,848.56-319,271.22-88,189.56

Finding the Fourth Proportional to 212,848.56, 319,271.22 and 88,189.56

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Solution

The fourth proportional to 212,848.56, 319,271.22 and 88,189.56 is: 132,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,848.56 : 319,271.22 = 88,189.56 : x
  2. Step 2: Convert to fraction form
    212,848.56/319,271.22 = 88,189.56/x
  3. Step 3: Cross multiply
    212,848.56x = 319,271.22 × 88,189.56
  4. Step 4: Simplify right side
    212,848.56x = 28,156,388,412.46
  5. Step 5: Solve for x
    x = 28,156,388,412.46/212,848.56
  6. Step 6: Final answer
    x = 132,283.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.