Home / 243,314.04-335,782.97-139,948.07

Finding the Fourth Proportional to 243,314.04, 335,782.97 and 139,948.07

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Solution

The fourth proportional to 243,314.04, 335,782.97 and 139,948.07 is: 193,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,314.04 : 335,782.97 = 139,948.07 : x
  2. Step 2: Convert to fraction form
    243,314.04/335,782.97 = 139,948.07/x
  3. Step 3: Cross multiply
    243,314.04x = 335,782.97 × 139,948.07
  4. Step 4: Simplify right side
    243,314.04x = 46,992,176,211.71
  5. Step 5: Solve for x
    x = 46,992,176,211.71/243,314.04
  6. Step 6: Final answer
    x = 193,133.85

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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.