Home / 134,406.70-185,403.98-84,018.22

Finding the Fourth Proportional to 134,406.70, 185,403.98 and 84,018.22

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Solution

The fourth proportional to 134,406.70, 185,403.98 and 84,018.22 is: 115,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,406.70 : 185,403.98 = 84,018.22 : x
  2. Step 2: Convert to fraction form
    134,406.70/185,403.98 = 84,018.22/x
  3. Step 3: Cross multiply
    134,406.70x = 185,403.98 × 84,018.22
  4. Step 4: Simplify right side
    134,406.70x = 15,577,312,380.52
  5. Step 5: Solve for x
    x = 15,577,312,380.52/134,406.70
  6. Step 6: Final answer
    x = 115,896.84

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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.