Home / 172,457.13-258,675.03-64,365.45

Finding the Fourth Proportional to 172,457.13, 258,675.03 and 64,365.45

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Solution

The fourth proportional to 172,457.13, 258,675.03 and 64,365.45 is: 96,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,457.13 : 258,675.03 = 64,365.45 : x
  2. Step 2: Convert to fraction form
    172,457.13/258,675.03 = 64,365.45/x
  3. Step 3: Cross multiply
    172,457.13x = 258,675.03 × 64,365.45
  4. Step 4: Simplify right side
    172,457.13x = 16,649,735,741.22
  5. Step 5: Solve for x
    x = 16,649,735,741.22/172,457.13
  6. Step 6: Final answer
    x = 96,544.20

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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.