Home / 101,646.73-140,270.39-56,324.31

Finding the Fourth Proportional to 101,646.73, 140,270.39 and 56,324.31

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Solution

The fourth proportional to 101,646.73, 140,270.39 and 56,324.31 is: 77,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,646.73 : 140,270.39 = 56,324.31 : x
  2. Step 2: Convert to fraction form
    101,646.73/140,270.39 = 56,324.31/x
  3. Step 3: Cross multiply
    101,646.73x = 140,270.39 × 56,324.31
  4. Step 4: Simplify right side
    101,646.73x = 7,900,632,648.56
  5. Step 5: Solve for x
    x = 7,900,632,648.56/101,646.73
  6. Step 6: Final answer
    x = 77,726.39

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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.