Home / 150,653.06-207,900.65-82,671.17

Finding the Fourth Proportional to 150,653.06, 207,900.65 and 82,671.17

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Solution

The fourth proportional to 150,653.06, 207,900.65 and 82,671.17 is: 114,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,653.06 : 207,900.65 = 82,671.17 : x
  2. Step 2: Convert to fraction form
    150,653.06/207,900.65 = 82,671.17/x
  3. Step 3: Cross multiply
    150,653.06x = 207,900.65 × 82,671.17
  4. Step 4: Simplify right side
    150,653.06x = 17,187,388,526.40
  5. Step 5: Solve for x
    x = 17,187,388,526.40/150,653.06
  6. Step 6: Final answer
    x = 114,085.89

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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.