Home / 282,082.74-423,194.16-139,994.70

Finding the Fourth Proportional to 282,082.74, 423,194.16 and 139,994.70

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Solution

The fourth proportional to 282,082.74, 423,194.16 and 139,994.70 is: 210,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,082.74 : 423,194.16 = 139,994.70 : x
  2. Step 2: Convert to fraction form
    282,082.74/423,194.16 = 139,994.70/x
  3. Step 3: Cross multiply
    282,082.74x = 423,194.16 × 139,994.70
  4. Step 4: Simplify right side
    282,082.74x = 59,244,939,470.95
  5. Step 5: Solve for x
    x = 59,244,939,470.95/282,082.74
  6. Step 6: Final answer
    x = 210,026.82

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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.