Home / 186,213.08-256,972.41-101,330.21

Finding the Fourth Proportional to 186,213.08, 256,972.41 and 101,330.21

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Solution

The fourth proportional to 186,213.08, 256,972.41 and 101,330.21 is: 139,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,213.08 : 256,972.41 = 101,330.21 : x
  2. Step 2: Convert to fraction form
    186,213.08/256,972.41 = 101,330.21/x
  3. Step 3: Cross multiply
    186,213.08x = 256,972.41 × 101,330.21
  4. Step 4: Simplify right side
    186,213.08x = 26,039,066,984.64
  5. Step 5: Solve for x
    x = 26,039,066,984.64/186,213.08
  6. Step 6: Final answer
    x = 139,834.79

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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.