Home / 170,020.20-254,447.10-156,023.40

Finding the Fourth Proportional to 170,020.20, 254,447.10 and 156,023.40

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Solution

The fourth proportional to 170,020.20, 254,447.10 and 156,023.40 is: 233,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,020.20 : 254,447.10 = 156,023.40 : x
  2. Step 2: Convert to fraction form
    170,020.20/254,447.10 = 156,023.40/x
  3. Step 3: Cross multiply
    170,020.20x = 254,447.10 × 156,023.40
  4. Step 4: Simplify right side
    170,020.20x = 39,699,701,662.14
  5. Step 5: Solve for x
    x = 39,699,701,662.14/170,020.20
  6. Step 6: Final answer
    x = 233,499.91

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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.