Home / 142,366.08-196,238.88-112,103.36

Finding the Fourth Proportional to 142,366.08, 196,238.88 and 112,103.36

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Solution

The fourth proportional to 142,366.08, 196,238.88 and 112,103.36 is: 154,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,366.08 : 196,238.88 = 112,103.36 : x
  2. Step 2: Convert to fraction form
    142,366.08/196,238.88 = 112,103.36/x
  3. Step 3: Cross multiply
    142,366.08x = 196,238.88 × 112,103.36
  4. Step 4: Simplify right side
    142,366.08x = 21,999,037,810.64
  5. Step 5: Solve for x
    x = 21,999,037,810.64/142,366.08
  6. Step 6: Final answer
    x = 154,524.43

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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.