Home / 170,443.90-255,665.80-52,115.23

Finding the Fourth Proportional to 170,443.90, 255,665.80 and 52,115.23

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Solution

The fourth proportional to 170,443.90, 255,665.80 and 52,115.23 is: 78,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,443.90 : 255,665.80 = 52,115.23 : x
  2. Step 2: Convert to fraction form
    170,443.90/255,665.80 = 52,115.23/x
  3. Step 3: Cross multiply
    170,443.90x = 255,665.80 × 52,115.23
  4. Step 4: Simplify right side
    170,443.90x = 13,324,081,970.13
  5. Step 5: Solve for x
    x = 13,324,081,970.13/170,443.90
  6. Step 6: Final answer
    x = 78,172.83

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1.5x scale

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.