Home / 127,815.81-176,357.38-73,364.65

Finding the Fourth Proportional to 127,815.81, 176,357.38 and 73,364.65

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Solution

The fourth proportional to 127,815.81, 176,357.38 and 73,364.65 is: 101,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,815.81 : 176,357.38 = 73,364.65 : x
  2. Step 2: Convert to fraction form
    127,815.81/176,357.38 = 73,364.65/x
  3. Step 3: Cross multiply
    127,815.81x = 176,357.38 × 73,364.65
  4. Step 4: Simplify right side
    127,815.81x = 12,938,397,458.62
  5. Step 5: Solve for x
    x = 12,938,397,458.62/127,815.81
  6. Step 6: Final answer
    x = 101,226.89

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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.