Home / 101,825.36-140,519.78-56,503.52

Finding the Fourth Proportional to 101,825.36, 140,519.78 and 56,503.52

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Solution

The fourth proportional to 101,825.36, 140,519.78 and 56,503.52 is: 77,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,825.36 : 140,519.78 = 56,503.52 : x
  2. Step 2: Convert to fraction form
    101,825.36/140,519.78 = 56,503.52/x
  3. Step 3: Cross multiply
    101,825.36x = 140,519.78 × 56,503.52
  4. Step 4: Simplify right side
    101,825.36x = 7,939,862,199.63
  5. Step 5: Solve for x
    x = 7,939,862,199.63/101,825.36
  6. Step 6: Final answer
    x = 77,975.29

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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.