Home / 128,049.27-176,703.36-70,687.37

Finding the Fourth Proportional to 128,049.27, 176,703.36 and 70,687.37

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Solution

The fourth proportional to 128,049.27, 176,703.36 and 70,687.37 is: 97,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,049.27 : 176,703.36 = 70,687.37 : x
  2. Step 2: Convert to fraction form
    128,049.27/176,703.36 = 70,687.37/x
  3. Step 3: Cross multiply
    128,049.27x = 176,703.36 × 70,687.37
  4. Step 4: Simplify right side
    128,049.27x = 12,490,694,905.05
  5. Step 5: Solve for x
    x = 12,490,694,905.05/128,049.27
  6. Step 6: Final answer
    x = 97,546.01

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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.