Home / 245,986.98-368,750.07-133,502.10

Finding the Fourth Proportional to 245,986.98, 368,750.07 and 133,502.10

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Solution

The fourth proportional to 245,986.98, 368,750.07 and 133,502.10 is: 200,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,986.98 : 368,750.07 = 133,502.10 : x
  2. Step 2: Convert to fraction form
    245,986.98/368,750.07 = 133,502.10/x
  3. Step 3: Cross multiply
    245,986.98x = 368,750.07 × 133,502.10
  4. Step 4: Simplify right side
    245,986.98x = 49,228,908,720.15
  5. Step 5: Solve for x
    x = 49,228,908,720.15/245,986.98
  6. Step 6: Final answer
    x = 200,128.11

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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.