Home / 101,822.52-140,514.62-56,500.39

Finding the Fourth Proportional to 101,822.52, 140,514.62 and 56,500.39

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Solution

The fourth proportional to 101,822.52, 140,514.62 and 56,500.39 is: 77,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,822.52 : 140,514.62 = 56,500.39 : x
  2. Step 2: Convert to fraction form
    101,822.52/140,514.62 = 56,500.39/x
  3. Step 3: Cross multiply
    101,822.52x = 140,514.62 × 56,500.39
  4. Step 4: Simplify right side
    101,822.52x = 7,939,130,830.70
  5. Step 5: Solve for x
    x = 7,939,130,830.70/101,822.52
  6. Step 6: Final answer
    x = 77,970.28

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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.