Home / 169,939.87-234,528.48-112,480.19

Finding the Fourth Proportional to 169,939.87, 234,528.48 and 112,480.19

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Solution

The fourth proportional to 169,939.87, 234,528.48 and 112,480.19 is: 155,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,939.87 : 234,528.48 = 112,480.19 : x
  2. Step 2: Convert to fraction form
    169,939.87/234,528.48 = 112,480.19/x
  3. Step 3: Cross multiply
    169,939.87x = 234,528.48 × 112,480.19
  4. Step 4: Simplify right side
    169,939.87x = 26,379,807,697.65
  5. Step 5: Solve for x
    x = 26,379,807,697.65/169,939.87
  6. Step 6: Final answer
    x = 155,230.25

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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.