Home / 190,171.74-262,437.02-104,136.15

Finding the Fourth Proportional to 190,171.74, 262,437.02 and 104,136.15

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Solution

The fourth proportional to 190,171.74, 262,437.02 and 104,136.15 is: 143,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,171.74 : 262,437.02 = 104,136.15 : x
  2. Step 2: Convert to fraction form
    190,171.74/262,437.02 = 104,136.15/x
  3. Step 3: Cross multiply
    190,171.74x = 262,437.02 × 104,136.15
  4. Step 4: Simplify right side
    190,171.74x = 27,329,180,880.27
  5. Step 5: Solve for x
    x = 27,329,180,880.27/190,171.74
  6. Step 6: Final answer
    x = 143,707.90

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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.