Home / 172,779.90-259,152.34-46,403.72

Finding the Fourth Proportional to 172,779.90, 259,152.34 and 46,403.72

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Solution

The fourth proportional to 172,779.90, 259,152.34 and 46,403.72 is: 69,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,779.90 : 259,152.34 = 46,403.72 : x
  2. Step 2: Convert to fraction form
    172,779.90/259,152.34 = 46,403.72/x
  3. Step 3: Cross multiply
    172,779.90x = 259,152.34 × 46,403.72
  4. Step 4: Simplify right side
    172,779.90x = 12,025,632,622.70
  5. Step 5: Solve for x
    x = 12,025,632,622.70/172,779.90
  6. Step 6: Final answer
    x = 69,600.88

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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.