Home / 212,851.10-319,184.11-61,014.74

Finding the Fourth Proportional to 212,851.10, 319,184.11 and 61,014.74

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Solution

The fourth proportional to 212,851.10, 319,184.11 and 61,014.74 is: 91,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,851.10 : 319,184.11 = 61,014.74 : x
  2. Step 2: Convert to fraction form
    212,851.10/319,184.11 = 61,014.74/x
  3. Step 3: Cross multiply
    212,851.10x = 319,184.11 × 61,014.74
  4. Step 4: Simplify right side
    212,851.10x = 19,474,935,161.07
  5. Step 5: Solve for x
    x = 19,474,935,161.07/212,851.10
  6. Step 6: Final answer
    x = 91,495.58

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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.