Home / 243,931.75-336,577.49-136,480.93

Finding the Fourth Proportional to 243,931.75, 336,577.49 and 136,480.93

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Solution

The fourth proportional to 243,931.75, 336,577.49 and 136,480.93 is: 188,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,931.75 : 336,577.49 = 136,480.93 : x
  2. Step 2: Convert to fraction form
    243,931.75/336,577.49 = 136,480.93/x
  3. Step 3: Cross multiply
    243,931.75x = 336,577.49 × 136,480.93
  4. Step 4: Simplify right side
    243,931.75x = 45,936,408,169.86
  5. Step 5: Solve for x
    x = 45,936,408,169.86/243,931.75
  6. Step 6: Final answer
    x = 188,316.64

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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.