Home / 101,650.89-140,279.05-56,329.63

Finding the Fourth Proportional to 101,650.89, 140,279.05 and 56,329.63

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Solution

The fourth proportional to 101,650.89, 140,279.05 and 56,329.63 is: 77,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,650.89 : 140,279.05 = 56,329.63 : x
  2. Step 2: Convert to fraction form
    101,650.89/140,279.05 = 56,329.63/x
  3. Step 3: Cross multiply
    101,650.89x = 140,279.05 × 56,329.63
  4. Step 4: Simplify right side
    101,650.89x = 7,901,866,493.09
  5. Step 5: Solve for x
    x = 7,901,866,493.09/101,650.89
  6. Step 6: Final answer
    x = 77,735.34

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1.5x scale

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.