Home / 132,771.70-183,222.64-72,342.84

Finding the Fourth Proportional to 132,771.70, 183,222.64 and 72,342.84

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Solution

The fourth proportional to 132,771.70, 183,222.64 and 72,342.84 is: 99,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,771.70 : 183,222.64 = 72,342.84 : x
  2. Step 2: Convert to fraction form
    132,771.70/183,222.64 = 72,342.84/x
  3. Step 3: Cross multiply
    132,771.70x = 183,222.64 × 72,342.84
  4. Step 4: Simplify right side
    132,771.70x = 13,254,846,129.90
  5. Step 5: Solve for x
    x = 13,254,846,129.90/132,771.70
  6. Step 6: Final answer
    x = 99,831.86

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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.