Home / 101,686.02-140,325.01-55,745.36

Finding the Fourth Proportional to 101,686.02, 140,325.01 and 55,745.36

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Solution

The fourth proportional to 101,686.02, 140,325.01 and 55,745.36 is: 76,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,686.02 : 140,325.01 = 55,745.36 : x
  2. Step 2: Convert to fraction form
    101,686.02/140,325.01 = 55,745.36/x
  3. Step 3: Cross multiply
    101,686.02x = 140,325.01 × 55,745.36
  4. Step 4: Simplify right side
    101,686.02x = 7,822,467,219.10
  5. Step 5: Solve for x
    x = 7,822,467,219.10/101,686.02
  6. Step 6: Final answer
    x = 76,927.66

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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.