Home / 97,103.55-145,655.33-57,640.35

Finding the Fourth Proportional to 97,103.55, 145,655.33 and 57,640.35

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Solution

The fourth proportional to 97,103.55, 145,655.33 and 57,640.35 is: 86,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,103.55 : 145,655.33 = 57,640.35 : x
  2. Step 2: Convert to fraction form
    97,103.55/145,655.33 = 57,640.35/x
  3. Step 3: Cross multiply
    97,103.55x = 145,655.33 × 57,640.35
  4. Step 4: Simplify right side
    97,103.55x = 8,395,623,912.36
  5. Step 5: Solve for x
    x = 8,395,623,912.36/97,103.55
  6. Step 6: Final answer
    x = 86,460.53

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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.