Home / 170,038.40-255,067.20-51,713.60

Finding the Fourth Proportional to 170,038.40, 255,067.20 and 51,713.60

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Solution

The fourth proportional to 170,038.40, 255,067.20 and 51,713.60 is: 77,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,038.40 : 255,067.20 = 51,713.60 : x
  2. Step 2: Convert to fraction form
    170,038.40/255,067.20 = 51,713.60/x
  3. Step 3: Cross multiply
    170,038.40x = 255,067.20 × 51,713.60
  4. Step 4: Simplify right side
    170,038.40x = 13,190,443,153.92
  5. Step 5: Solve for x
    x = 13,190,443,153.92/170,038.40
  6. Step 6: Final answer
    x = 77,573.32

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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.