Home / 172,779.09-259,151.11-46,402.91

Finding the Fourth Proportional to 172,779.09, 259,151.11 and 46,402.91

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Solution

The fourth proportional to 172,779.09, 259,151.11 and 46,402.91 is: 69,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,779.09 : 259,151.11 = 46,402.91 : x
  2. Step 2: Convert to fraction form
    172,779.09/259,151.11 = 46,402.91/x
  3. Step 3: Cross multiply
    172,779.09x = 259,151.11 × 46,402.91
  4. Step 4: Simplify right side
    172,779.09x = 12,025,365,633.73
  5. Step 5: Solve for x
    x = 12,025,365,633.73/172,779.09
  6. Step 6: Final answer
    x = 69,599.66

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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.