Home / 124,745.00-172,148.15-67,384.31

Finding the Fourth Proportional to 124,745.00, 172,148.15 and 67,384.31

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Solution

The fourth proportional to 124,745.00, 172,148.15 and 67,384.31 is: 92,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,745.00 : 172,148.15 = 67,384.31 : x
  2. Step 2: Convert to fraction form
    124,745.00/172,148.15 = 67,384.31/x
  3. Step 3: Cross multiply
    124,745.00x = 172,148.15 × 67,384.31
  4. Step 4: Simplify right side
    124,745.00x = 11,600,083,968.60
  5. Step 5: Solve for x
    x = 11,600,083,968.60/124,745.00
  6. Step 6: Final answer
    x = 92,990.38

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1.5x scale

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.