Home / 132,756.34-183,205.90-72,329.86

Finding the Fourth Proportional to 132,756.34, 183,205.90 and 72,329.86

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Solution

The fourth proportional to 132,756.34, 183,205.90 and 72,329.86 is: 99,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,756.34 : 183,205.90 = 72,329.86 : x
  2. Step 2: Convert to fraction form
    132,756.34/183,205.90 = 72,329.86/x
  3. Step 3: Cross multiply
    132,756.34x = 183,205.90 × 72,329.86
  4. Step 4: Simplify right side
    132,756.34x = 13,251,257,098.17
  5. Step 5: Solve for x
    x = 13,251,257,098.17/132,756.34
  6. Step 6: Final answer
    x = 99,816.38

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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.