Home / 90,817.09-125,344.94-60,136.07

Finding the Fourth Proportional to 90,817.09, 125,344.94 and 60,136.07

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Solution

The fourth proportional to 90,817.09, 125,344.94 and 60,136.07 is: 82,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817.09 : 125,344.94 = 60,136.07 : x
  2. Step 2: Convert to fraction form
    90,817.09/125,344.94 = 60,136.07/x
  3. Step 3: Cross multiply
    90,817.09x = 125,344.94 × 60,136.07
  4. Step 4: Simplify right side
    90,817.09x = 7,537,752,784.71
  5. Step 5: Solve for x
    x = 7,537,752,784.71/90,817.09
  6. Step 6: Final answer
    x = 82,999.27

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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.