Home / 129,653.16-194,586.66-100,250.16

Finding the Fourth Proportional to 129,653.16, 194,586.66 and 100,250.16

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Solution

The fourth proportional to 129,653.16, 194,586.66 and 100,250.16 is: 150,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653.16 : 194,586.66 = 100,250.16 : x
  2. Step 2: Convert to fraction form
    129,653.16/194,586.66 = 100,250.16/x
  3. Step 3: Cross multiply
    129,653.16x = 194,586.66 × 100,250.16
  4. Step 4: Simplify right side
    129,653.16x = 19,507,343,798.87
  5. Step 5: Solve for x
    x = 19,507,343,798.87/129,653.16
  6. Step 6: Final answer
    x = 150,457.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.