Home / 132,829.55-183,299.38-72,398.89

Finding the Fourth Proportional to 132,829.55, 183,299.38 and 72,398.89

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Solution

The fourth proportional to 132,829.55, 183,299.38 and 72,398.89 is: 99,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,829.55 : 183,299.38 = 72,398.89 : x
  2. Step 2: Convert to fraction form
    132,829.55/183,299.38 = 72,398.89/x
  3. Step 3: Cross multiply
    132,829.55x = 183,299.38 × 72,398.89
  4. Step 4: Simplify right side
    132,829.55x = 13,270,671,649.69
  5. Step 5: Solve for x
    x = 13,270,671,649.69/132,829.55
  6. Step 6: Final answer
    x = 99,907.53

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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.