Home / 202,519.72-279,478.02-113,095.72

Finding the Fourth Proportional to 202,519.72, 279,478.02 and 113,095.72

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Solution

The fourth proportional to 202,519.72, 279,478.02 and 113,095.72 is: 156,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,519.72 : 279,478.02 = 113,095.72 : x
  2. Step 2: Convert to fraction form
    202,519.72/279,478.02 = 113,095.72/x
  3. Step 3: Cross multiply
    202,519.72x = 279,478.02 × 113,095.72
  4. Step 4: Simplify right side
    202,519.72x = 31,607,767,896.07
  5. Step 5: Solve for x
    x = 31,607,767,896.07/202,519.72
  6. Step 6: Final answer
    x = 156,072.54

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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.