Home / 101,848.98-140,553.09-56,529.87

Finding the Fourth Proportional to 101,848.98, 140,553.09 and 56,529.87

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Solution

The fourth proportional to 101,848.98, 140,553.09 and 56,529.87 is: 78,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,848.98 : 140,553.09 = 56,529.87 : x
  2. Step 2: Convert to fraction form
    101,848.98/140,553.09 = 56,529.87/x
  3. Step 3: Cross multiply
    101,848.98x = 140,553.09 × 56,529.87
  4. Step 4: Simplify right side
    101,848.98x = 7,945,447,905.80
  5. Step 5: Solve for x
    x = 7,945,447,905.80/101,848.98
  6. Step 6: Final answer
    x = 78,012.05

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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.