Home / 134,645.32-185,742.21-102,758.86

Finding the Fourth Proportional to 134,645.32, 185,742.21 and 102,758.86

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Solution

The fourth proportional to 134,645.32, 185,742.21 and 102,758.86 is: 141,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,645.32 : 185,742.21 = 102,758.86 : x
  2. Step 2: Convert to fraction form
    134,645.32/185,742.21 = 102,758.86/x
  3. Step 3: Cross multiply
    134,645.32x = 185,742.21 × 102,758.86
  4. Step 4: Simplify right side
    134,645.32x = 19,086,657,753.48
  5. Step 5: Solve for x
    x = 19,086,657,753.48/134,645.32
  6. Step 6: Final answer
    x = 141,755.08

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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.