Home / 170,144.86-255,254.19-51,813.10

Finding the Fourth Proportional to 170,144.86, 255,254.19 and 51,813.10

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Solution

The fourth proportional to 170,144.86, 255,254.19 and 51,813.10 is: 77,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,144.86 : 255,254.19 = 51,813.10 : x
  2. Step 2: Convert to fraction form
    170,144.86/255,254.19 = 51,813.10/x
  3. Step 3: Cross multiply
    170,144.86x = 255,254.19 × 51,813.10
  4. Step 4: Simplify right side
    170,144.86x = 13,225,510,871.89
  5. Step 5: Solve for x
    x = 13,225,510,871.89/170,144.86
  6. Step 6: Final answer
    x = 77,730.89

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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.