Home / 168,123.81-232,007.40-91,642.25

Finding the Fourth Proportional to 168,123.81, 232,007.40 and 91,642.25

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Solution

The fourth proportional to 168,123.81, 232,007.40 and 91,642.25 is: 126,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,123.81 : 232,007.40 = 91,642.25 : x
  2. Step 2: Convert to fraction form
    168,123.81/232,007.40 = 91,642.25/x
  3. Step 3: Cross multiply
    168,123.81x = 232,007.40 × 91,642.25
  4. Step 4: Simplify right side
    168,123.81x = 21,261,680,152.65
  5. Step 5: Solve for x
    x = 21,261,680,152.65/168,123.81
  6. Step 6: Final answer
    x = 126,464.42

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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.