Home / 132,944.45-183,463.91-72,516.39

Finding the Fourth Proportional to 132,944.45, 183,463.91 and 72,516.39

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Solution

The fourth proportional to 132,944.45, 183,463.91 and 72,516.39 is: 100,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,944.45 : 183,463.91 = 72,516.39 : x
  2. Step 2: Convert to fraction form
    132,944.45/183,463.91 = 72,516.39/x
  3. Step 3: Cross multiply
    132,944.45x = 183,463.91 × 72,516.39
  4. Step 4: Simplify right side
    132,944.45x = 13,304,140,448.48
  5. Step 5: Solve for x
    x = 13,304,140,448.48/132,944.45
  6. Step 6: Final answer
    x = 100,072.93

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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.