Home / 170,421.36-255,633.66-45,762.36

Finding the Fourth Proportional to 170,421.36, 255,633.66 and 45,762.36

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Solution

The fourth proportional to 170,421.36, 255,633.66 and 45,762.36 is: 68,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,421.36 : 255,633.66 = 45,762.36 : x
  2. Step 2: Convert to fraction form
    170,421.36/255,633.66 = 45,762.36/x
  3. Step 3: Cross multiply
    170,421.36x = 255,633.66 × 45,762.36
  4. Step 4: Simplify right side
    170,421.36x = 11,698,399,577.04
  5. Step 5: Solve for x
    x = 11,698,399,577.04/170,421.36
  6. Step 6: Final answer
    x = 68,643.98

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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.