Home / 132,633.21-183,038.31-72,206.04

Finding the Fourth Proportional to 132,633.21, 183,038.31 and 72,206.04

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Solution

The fourth proportional to 132,633.21, 183,038.31 and 72,206.04 is: 99,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,633.21 : 183,038.31 = 72,206.04 : x
  2. Step 2: Convert to fraction form
    132,633.21/183,038.31 = 72,206.04/x
  3. Step 3: Cross multiply
    132,633.21x = 183,038.31 × 72,206.04
  4. Step 4: Simplify right side
    132,633.21x = 13,216,471,533.39
  5. Step 5: Solve for x
    x = 13,216,471,533.39/132,633.21
  6. Step 6: Final answer
    x = 99,646.77

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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.