Home / 134,739.14-202,108.38-45,985.20

Finding the Fourth Proportional to 134,739.14, 202,108.38 and 45,985.20

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Solution

The fourth proportional to 134,739.14, 202,108.38 and 45,985.20 is: 68,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,739.14 : 202,108.38 = 45,985.20 : x
  2. Step 2: Convert to fraction form
    134,739.14/202,108.38 = 45,985.20/x
  3. Step 3: Cross multiply
    134,739.14x = 202,108.38 × 45,985.20
  4. Step 4: Simplify right side
    134,739.14x = 9,293,994,275.98
  5. Step 5: Solve for x
    x = 9,293,994,275.98/134,739.14
  6. Step 6: Final answer
    x = 68,977.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.