Home / 132,811.44-183,459.28-106,140.88

Finding the Fourth Proportional to 132,811.44, 183,459.28 and 106,140.88

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Solution

The fourth proportional to 132,811.44, 183,459.28 and 106,140.88 is: 146,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,811.44 : 183,459.28 = 106,140.88 : x
  2. Step 2: Convert to fraction form
    132,811.44/183,459.28 = 106,140.88/x
  3. Step 3: Cross multiply
    132,811.44x = 183,459.28 × 106,140.88
  4. Step 4: Simplify right side
    132,811.44x = 19,472,529,423.37
  5. Step 5: Solve for x
    x = 19,472,529,423.37/132,811.44
  6. Step 6: Final answer
    x = 146,617.86

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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.