Home / 149,093.12-205,102.32-130,864.88

Finding the Fourth Proportional to 149,093.12, 205,102.32 and 130,864.88

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Solution

The fourth proportional to 149,093.12, 205,102.32 and 130,864.88 is: 180,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,093.12 : 205,102.32 = 130,864.88 : x
  2. Step 2: Convert to fraction form
    149,093.12/205,102.32 = 130,864.88/x
  3. Step 3: Cross multiply
    149,093.12x = 205,102.32 × 130,864.88
  4. Step 4: Simplify right side
    149,093.12x = 26,840,690,494.52
  5. Step 5: Solve for x
    x = 26,840,690,494.52/149,093.12
  6. Step 6: Final answer
    x = 180,026.35

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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.