Home / 112,968-155,895.84-62,667.36

Finding the Fourth Proportional to 112,968, 155,895.84 and 62,667.36

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Solution

The fourth proportional to 112,968, 155,895.84 and 62,667.36 is: 86,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,968 : 155,895.84 = 62,667.36 : x
  2. Step 2: Convert to fraction form
    112,968/155,895.84 = 62,667.36/x
  3. Step 3: Cross multiply
    112,968x = 155,895.84 × 62,667.36
  4. Step 4: Simplify right side
    112,968x = 9,769,580,727.78
  5. Step 5: Solve for x
    x = 9,769,580,727.78/112,968
  6. Step 6: Final answer
    x = 86,480.96

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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.