Home / 96,739.31-145,032.63-61,125.59

Finding the Fourth Proportional to 96,739.31, 145,032.63 and 61,125.59

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Solution

The fourth proportional to 96,739.31, 145,032.63 and 61,125.59 is: 91,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,739.31 : 145,032.63 = 61,125.59 : x
  2. Step 2: Convert to fraction form
    96,739.31/145,032.63 = 61,125.59/x
  3. Step 3: Cross multiply
    96,739.31x = 145,032.63 × 61,125.59
  4. Step 4: Simplify right side
    96,739.31x = 8,865,204,395.55
  5. Step 5: Solve for x
    x = 8,865,204,395.55/96,739.31
  6. Step 6: Final answer
    x = 91,640.14

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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.