Home / 282,083.74-423,195.66-139,995.70

Finding the Fourth Proportional to 282,083.74, 423,195.66 and 139,995.70

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Solution

The fourth proportional to 282,083.74, 423,195.66 and 139,995.70 is: 210,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,083.74 : 423,195.66 = 139,995.70 : x
  2. Step 2: Convert to fraction form
    282,083.74/423,195.66 = 139,995.70/x
  3. Step 3: Cross multiply
    282,083.74x = 423,195.66 × 139,995.70
  4. Step 4: Simplify right side
    282,083.74x = 59,245,572,658.66
  5. Step 5: Solve for x
    x = 59,245,572,658.66/282,083.74
  6. Step 6: Final answer
    x = 210,028.32

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1.5x scale

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.