Home / 258,745.89-357,073.36-144,025.77

Finding the Fourth Proportional to 258,745.89, 357,073.36 and 144,025.77

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Solution

The fourth proportional to 258,745.89, 357,073.36 and 144,025.77 is: 198,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,745.89 : 357,073.36 = 144,025.77 : x
  2. Step 2: Convert to fraction form
    258,745.89/357,073.36 = 144,025.77/x
  3. Step 3: Cross multiply
    258,745.89x = 357,073.36 × 144,025.77
  4. Step 4: Simplify right side
    258,745.89x = 51,427,767,004.52
  5. Step 5: Solve for x
    x = 51,427,767,004.52/258,745.89
  6. Step 6: Final answer
    x = 198,757.82

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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.