Home / 172,646.24-258,881.04-79,071.80

Finding the Fourth Proportional to 172,646.24, 258,881.04 and 79,071.80

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Solution

The fourth proportional to 172,646.24, 258,881.04 and 79,071.80 is: 118,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,646.24 : 258,881.04 = 79,071.80 : x
  2. Step 2: Convert to fraction form
    172,646.24/258,881.04 = 79,071.80/x
  3. Step 3: Cross multiply
    172,646.24x = 258,881.04 × 79,071.80
  4. Step 4: Simplify right side
    172,646.24x = 20,470,189,818.67
  5. Step 5: Solve for x
    x = 20,470,189,818.67/172,646.24
  6. Step 6: Final answer
    x = 118,567.25

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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.