Home / 170,091.06-255,136.40-57,782.94

Finding the Fourth Proportional to 170,091.06, 255,136.40 and 57,782.94

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Solution

The fourth proportional to 170,091.06, 255,136.40 and 57,782.94 is: 86,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,091.06 : 255,136.40 = 57,782.94 : x
  2. Step 2: Convert to fraction form
    170,091.06/255,136.40 = 57,782.94/x
  3. Step 3: Cross multiply
    170,091.06x = 255,136.40 × 57,782.94
  4. Step 4: Simplify right side
    170,091.06x = 14,742,531,293.02
  5. Step 5: Solve for x
    x = 14,742,531,293.02/170,091.06
  6. Step 6: Final answer
    x = 86,674.35

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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.