Home / 163,702.08-225,907.25-91,103.74

Finding the Fourth Proportional to 163,702.08, 225,907.25 and 91,103.74

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Solution

The fourth proportional to 163,702.08, 225,907.25 and 91,103.74 is: 125,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,702.08 : 225,907.25 = 91,103.74 : x
  2. Step 2: Convert to fraction form
    163,702.08/225,907.25 = 91,103.74/x
  3. Step 3: Cross multiply
    163,702.08x = 225,907.25 × 91,103.74
  4. Step 4: Simplify right side
    163,702.08x = 20,580,994,347.83
  5. Step 5: Solve for x
    x = 20,580,994,347.83/163,702.08
  6. Step 6: Final answer
    x = 125,722.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.