Home / 132,578.76-182,962.49-72,153.30

Finding the Fourth Proportional to 132,578.76, 182,962.49 and 72,153.30

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Solution

The fourth proportional to 132,578.76, 182,962.49 and 72,153.30 is: 99,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,578.76 : 182,962.49 = 72,153.30 : x
  2. Step 2: Convert to fraction form
    132,578.76/182,962.49 = 72,153.30/x
  3. Step 3: Cross multiply
    132,578.76x = 182,962.49 × 72,153.30
  4. Step 4: Simplify right side
    132,578.76x = 13,201,347,068.95
  5. Step 5: Solve for x
    x = 13,201,347,068.95/132,578.76
  6. Step 6: Final answer
    x = 99,573.62

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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.