Home / 118,329.13-163,346.96-92,075.72

Finding the Fourth Proportional to 118,329.13, 163,346.96 and 92,075.72

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Solution

The fourth proportional to 118,329.13, 163,346.96 and 92,075.72 is: 127,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,329.13 : 163,346.96 = 92,075.72 : x
  2. Step 2: Convert to fraction form
    118,329.13/163,346.96 = 92,075.72/x
  3. Step 3: Cross multiply
    118,329.13x = 163,346.96 × 92,075.72
  4. Step 4: Simplify right side
    118,329.13x = 15,040,288,365.27
  5. Step 5: Solve for x
    x = 15,040,288,365.27/118,329.13
  6. Step 6: Final answer
    x = 127,105.54

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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.