Home / 172,296.36-258,449.40-47,637.36

Finding the Fourth Proportional to 172,296.36, 258,449.40 and 47,637.36

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Solution

The fourth proportional to 172,296.36, 258,449.40 and 47,637.36 is: 71,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,296.36 : 258,449.40 = 47,637.36 : x
  2. Step 2: Convert to fraction form
    172,296.36/258,449.40 = 47,637.36/x
  3. Step 3: Cross multiply
    172,296.36x = 258,449.40 × 47,637.36
  4. Step 4: Simplify right side
    172,296.36x = 12,311,847,109.58
  5. Step 5: Solve for x
    x = 12,311,847,109.58/172,296.36
  6. Step 6: Final answer
    x = 71,457.38

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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.