Home / 172,260.36-258,395.40-47,601.36

Finding the Fourth Proportional to 172,260.36, 258,395.40 and 47,601.36

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Solution

The fourth proportional to 172,260.36, 258,395.40 and 47,601.36 is: 71,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,260.36 : 258,395.40 = 47,601.36 : x
  2. Step 2: Convert to fraction form
    172,260.36/258,395.40 = 47,601.36/x
  3. Step 3: Cross multiply
    172,260.36x = 258,395.40 × 47,601.36
  4. Step 4: Simplify right side
    172,260.36x = 12,299,972,457.74
  5. Step 5: Solve for x
    x = 12,299,972,457.74/172,260.36
  6. Step 6: Final answer
    x = 71,403.38

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1.5x scale

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.