Home / 317,767.69-476,667.93-81,112.42

Finding the Fourth Proportional to 317,767.69, 476,667.93 and 81,112.42

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Solution

The fourth proportional to 317,767.69, 476,667.93 and 81,112.42 is: 121,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,767.69 : 476,667.93 = 81,112.42 : x
  2. Step 2: Convert to fraction form
    317,767.69/476,667.93 = 81,112.42/x
  3. Step 3: Cross multiply
    317,767.69x = 476,667.93 × 81,112.42
  4. Step 4: Simplify right side
    317,767.69x = 38,663,686,955.35
  5. Step 5: Solve for x
    x = 38,663,686,955.35/317,767.69
  6. Step 6: Final answer
    x = 121,672.81

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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.