Home / 158,913.64-219,238.12-102,357.84

Finding the Fourth Proportional to 158,913.64, 219,238.12 and 102,357.84

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Solution

The fourth proportional to 158,913.64, 219,238.12 and 102,357.84 is: 141,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,913.64 : 219,238.12 = 102,357.84 : x
  2. Step 2: Convert to fraction form
    158,913.64/219,238.12 = 102,357.84/x
  3. Step 3: Cross multiply
    158,913.64x = 219,238.12 × 102,357.84
  4. Step 4: Simplify right side
    158,913.64x = 22,440,740,408.86
  5. Step 5: Solve for x
    x = 22,440,740,408.86/158,913.64
  6. Step 6: Final answer
    x = 141,213.43

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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.