Home / 170,519.10-255,779.19-52,189.98

Finding the Fourth Proportional to 170,519.10, 255,779.19 and 52,189.98

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Solution

The fourth proportional to 170,519.10, 255,779.19 and 52,189.98 is: 78,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,519.10 : 255,779.19 = 52,189.98 : x
  2. Step 2: Convert to fraction form
    170,519.10/255,779.19 = 52,189.98/x
  3. Step 3: Cross multiply
    170,519.10x = 255,779.19 × 52,189.98
  4. Step 4: Simplify right side
    170,519.10x = 13,349,110,810.52
  5. Step 5: Solve for x
    x = 13,349,110,810.52/170,519.10
  6. Step 6: Final answer
    x = 78,285.14

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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.