Home / 136,429.01-188,277.71-75,999.65

Finding the Fourth Proportional to 136,429.01, 188,277.71 and 75,999.65

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Solution

The fourth proportional to 136,429.01, 188,277.71 and 75,999.65 is: 104,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,429.01 : 188,277.71 = 75,999.65 : x
  2. Step 2: Convert to fraction form
    136,429.01/188,277.71 = 75,999.65/x
  3. Step 3: Cross multiply
    136,429.01x = 188,277.71 × 75,999.65
  4. Step 4: Simplify right side
    136,429.01x = 14,309,038,741.41
  5. Step 5: Solve for x
    x = 14,309,038,741.41/136,429.01
  6. Step 6: Final answer
    x = 104,882.67

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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.