Home / 132,903.20-183,410.85-72,477.15

Finding the Fourth Proportional to 132,903.20, 183,410.85 and 72,477.15

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Solution

The fourth proportional to 132,903.20, 183,410.85 and 72,477.15 is: 100,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,903.20 : 183,410.85 = 72,477.15 : x
  2. Step 2: Convert to fraction form
    132,903.20/183,410.85 = 72,477.15/x
  3. Step 3: Cross multiply
    132,903.20x = 183,410.85 × 72,477.15
  4. Step 4: Simplify right side
    132,903.20x = 13,293,096,145.60
  5. Step 5: Solve for x
    x = 13,293,096,145.60/132,903.20
  6. Step 6: Final answer
    x = 100,020.89

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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.