Home / 212,495.20-318,595.20-94,102

Finding the Fourth Proportional to 212,495.20, 318,595.20 and 94,102

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Solution

The fourth proportional to 212,495.20, 318,595.20 and 94,102 is: 141,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,495.20 : 318,595.20 = 94,102 : x
  2. Step 2: Convert to fraction form
    212,495.20/318,595.20 = 94,102/x
  3. Step 3: Cross multiply
    212,495.20x = 318,595.20 × 94,102
  4. Step 4: Simplify right side
    212,495.20x = 29,980,445,510.40
  5. Step 5: Solve for x
    x = 29,980,445,510.40/212,495.20
  6. Step 6: Final answer
    x = 141,087.64

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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.