Home / 102,653.72-141,583.41-61,775.25

Finding the Fourth Proportional to 102,653.72, 141,583.41 and 61,775.25

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Solution

The fourth proportional to 102,653.72, 141,583.41 and 61,775.25 is: 85,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,653.72 : 141,583.41 = 61,775.25 : x
  2. Step 2: Convert to fraction form
    102,653.72/141,583.41 = 61,775.25/x
  3. Step 3: Cross multiply
    102,653.72x = 141,583.41 × 61,775.25
  4. Step 4: Simplify right side
    102,653.72x = 8,746,350,548.60
  5. Step 5: Solve for x
    x = 8,746,350,548.60/102,653.72
  6. Step 6: Final answer
    x = 85,202.47

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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.