Home / 247,851.36-342,036.02-140,442.34

Finding the Fourth Proportional to 247,851.36, 342,036.02 and 140,442.34

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Solution

The fourth proportional to 247,851.36, 342,036.02 and 140,442.34 is: 193,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,851.36 : 342,036.02 = 140,442.34 : x
  2. Step 2: Convert to fraction form
    247,851.36/342,036.02 = 140,442.34/x
  3. Step 3: Cross multiply
    247,851.36x = 342,036.02 × 140,442.34
  4. Step 4: Simplify right side
    247,851.36x = 48,036,339,013.09
  5. Step 5: Solve for x
    x = 48,036,339,013.09/247,851.36
  6. Step 6: Final answer
    x = 193,811.08

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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.