Home / 190,200.02-262,472.82-105,315.26

Finding the Fourth Proportional to 190,200.02, 262,472.82 and 105,315.26

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Solution

The fourth proportional to 190,200.02, 262,472.82 and 105,315.26 is: 145,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,200.02 : 262,472.82 = 105,315.26 : x
  2. Step 2: Convert to fraction form
    190,200.02/262,472.82 = 105,315.26/x
  3. Step 3: Cross multiply
    190,200.02x = 262,472.82 × 105,315.26
  4. Step 4: Simplify right side
    190,200.02x = 27,642,393,281.23
  5. Step 5: Solve for x
    x = 27,642,393,281.23/190,200.02
  6. Step 6: Final answer
    x = 145,333.28

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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.