Home / 143,490.88-215,237.40-49,996.48

Finding the Fourth Proportional to 143,490.88, 215,237.40 and 49,996.48

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Solution

The fourth proportional to 143,490.88, 215,237.40 and 49,996.48 is: 74,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,490.88 : 215,237.40 = 49,996.48 : x
  2. Step 2: Convert to fraction form
    143,490.88/215,237.40 = 49,996.48/x
  3. Step 3: Cross multiply
    143,490.88x = 215,237.40 × 49,996.48
  4. Step 4: Simplify right side
    143,490.88x = 10,761,112,364.35
  5. Step 5: Solve for x
    x = 10,761,112,364.35/143,490.88
  6. Step 6: Final answer
    x = 74,995.10

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1.5x scale

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.