Home / 170,040.80-255,061.20-51,711.95

Finding the Fourth Proportional to 170,040.80, 255,061.20 and 51,711.95

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Solution

The fourth proportional to 170,040.80, 255,061.20 and 51,711.95 is: 77,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,040.80 : 255,061.20 = 51,711.95 : x
  2. Step 2: Convert to fraction form
    170,040.80/255,061.20 = 51,711.95/x
  3. Step 3: Cross multiply
    170,040.80x = 255,061.20 × 51,711.95
  4. Step 4: Simplify right side
    170,040.80x = 13,189,712,021.34
  5. Step 5: Solve for x
    x = 13,189,712,021.34/170,040.80
  6. Step 6: Final answer
    x = 77,567.93

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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.