Home / 172,487.15-258,712.53-46,140.15

Finding the Fourth Proportional to 172,487.15, 258,712.53 and 46,140.15

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Solution

The fourth proportional to 172,487.15, 258,712.53 and 46,140.15 is: 69,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,487.15 : 258,712.53 = 46,140.15 : x
  2. Step 2: Convert to fraction form
    172,487.15/258,712.53 = 46,140.15/x
  3. Step 3: Cross multiply
    172,487.15x = 258,712.53 × 46,140.15
  4. Step 4: Simplify right side
    172,487.15x = 11,937,035,633.95
  5. Step 5: Solve for x
    x = 11,937,035,633.95/172,487.15
  6. Step 6: Final answer
    x = 69,205.36

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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.