Home / 170,030.36-255,059.82-51,702.72

Finding the Fourth Proportional to 170,030.36, 255,059.82 and 51,702.72

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Solution

The fourth proportional to 170,030.36, 255,059.82 and 51,702.72 is: 77,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,030.36 : 255,059.82 = 51,702.72 : x
  2. Step 2: Convert to fraction form
    170,030.36/255,059.82 = 51,702.72/x
  3. Step 3: Cross multiply
    170,030.36x = 255,059.82 × 51,702.72
  4. Step 4: Simplify right side
    170,030.36x = 13,187,286,456.71
  5. Step 5: Solve for x
    x = 13,187,286,456.71/170,030.36
  6. Step 6: Final answer
    x = 77,558.42

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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.