Home / 106,938.93-147,608.60-61,647.20

Finding the Fourth Proportional to 106,938.93, 147,608.60 and 61,647.20

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Solution

The fourth proportional to 106,938.93, 147,608.60 and 61,647.20 is: 85,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.93 : 147,608.60 = 61,647.20 : x
  2. Step 2: Convert to fraction form
    106,938.93/147,608.60 = 61,647.20/x
  3. Step 3: Cross multiply
    106,938.93x = 147,608.60 × 61,647.20
  4. Step 4: Simplify right side
    106,938.93x = 9,099,655,839.64
  5. Step 5: Solve for x
    x = 9,099,655,839.64/106,938.93
  6. Step 6: Final answer
    x = 85,092.08

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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.