Home / 170,238.47-255,450.58-70,407.32

Finding the Fourth Proportional to 170,238.47, 255,450.58 and 70,407.32

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Solution

The fourth proportional to 170,238.47, 255,450.58 and 70,407.32 is: 105,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,238.47 : 255,450.58 = 70,407.32 : x
  2. Step 2: Convert to fraction form
    170,238.47/255,450.58 = 70,407.32/x
  3. Step 3: Cross multiply
    170,238.47x = 255,450.58 × 70,407.32
  4. Step 4: Simplify right side
    170,238.47x = 17,985,589,276.97
  5. Step 5: Solve for x
    x = 17,985,589,276.97/170,238.47
  6. Step 6: Final answer
    x = 105,649.39

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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.