Home / 136,486.26-204,748.47-47,719.56

Finding the Fourth Proportional to 136,486.26, 204,748.47 and 47,719.56

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Solution

The fourth proportional to 136,486.26, 204,748.47 and 47,719.56 is: 71,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,486.26 : 204,748.47 = 47,719.56 : x
  2. Step 2: Convert to fraction form
    136,486.26/204,748.47 = 47,719.56/x
  3. Step 3: Cross multiply
    136,486.26x = 204,748.47 × 47,719.56
  4. Step 4: Simplify right side
    136,486.26x = 9,770,506,899.07
  5. Step 5: Solve for x
    x = 9,770,506,899.07/136,486.26
  6. Step 6: Final answer
    x = 71,586.01

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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.