Home / 138,411.85-207,125.70-96,093.40

Finding the Fourth Proportional to 138,411.85, 207,125.70 and 96,093.40

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Solution

The fourth proportional to 138,411.85, 207,125.70 and 96,093.40 is: 143,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,411.85 : 207,125.70 = 96,093.40 : x
  2. Step 2: Convert to fraction form
    138,411.85/207,125.70 = 96,093.40/x
  3. Step 3: Cross multiply
    138,411.85x = 207,125.70 × 96,093.40
  4. Step 4: Simplify right side
    138,411.85x = 19,903,412,740.38
  5. Step 5: Solve for x
    x = 19,903,412,740.38/138,411.85
  6. Step 6: Final answer
    x = 143,798.47

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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.