Home / 101,864.98-140,572.60-56,543.37

Finding the Fourth Proportional to 101,864.98, 140,572.60 and 56,543.37

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Solution

The fourth proportional to 101,864.98, 140,572.60 and 56,543.37 is: 78,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,864.98 : 140,572.60 = 56,543.37 : x
  2. Step 2: Convert to fraction form
    101,864.98/140,572.60 = 56,543.37/x
  3. Step 3: Cross multiply
    101,864.98x = 140,572.60 × 56,543.37
  4. Step 4: Simplify right side
    101,864.98x = 7,948,448,533.66
  5. Step 5: Solve for x
    x = 7,948,448,533.66/101,864.98
  6. Step 6: Final answer
    x = 78,029.26

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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.