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Finding the Fourth Proportional to 160,373, 221,059.77 and 126,327.58

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Solution

The fourth proportional to 160,373, 221,059.77 and 126,327.58 is: 174,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,373 : 221,059.77 = 126,327.58 : x
  2. Step 2: Convert to fraction form
    160,373/221,059.77 = 126,327.58/x
  3. Step 3: Cross multiply
    160,373x = 221,059.77 × 126,327.58
  4. Step 4: Simplify right side
    160,373x = 27,925,945,779.46
  5. Step 5: Solve for x
    x = 27,925,945,779.46/160,373
  6. Step 6: Final answer
    x = 174,131.22

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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.