Home / 112,318.41-155,033.73-69,311.06

Finding the Fourth Proportional to 112,318.41, 155,033.73 and 69,311.06

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Solution

The fourth proportional to 112,318.41, 155,033.73 and 69,311.06 is: 95,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,318.41 : 155,033.73 = 69,311.06 : x
  2. Step 2: Convert to fraction form
    112,318.41/155,033.73 = 69,311.06/x
  3. Step 3: Cross multiply
    112,318.41x = 155,033.73 × 69,311.06
  4. Step 4: Simplify right side
    112,318.41x = 10,745,551,968.26
  5. Step 5: Solve for x
    x = 10,745,551,968.26/112,318.41
  6. Step 6: Final answer
    x = 95,670.44

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1.5x scale

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.