Home / 104,085.81-156,136.61-40,875.44

Finding the Fourth Proportional to 104,085.81, 156,136.61 and 40,875.44

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Solution

The fourth proportional to 104,085.81, 156,136.61 and 40,875.44 is: 61,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,085.81 : 156,136.61 = 40,875.44 : x
  2. Step 2: Convert to fraction form
    104,085.81/156,136.61 = 40,875.44/x
  3. Step 3: Cross multiply
    104,085.81x = 156,136.61 × 40,875.44
  4. Step 4: Simplify right side
    104,085.81x = 6,382,151,955.36
  5. Step 5: Solve for x
    x = 6,382,151,955.36/104,085.81
  6. Step 6: Final answer
    x = 61,316.25

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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.