Home / 132,815.39-183,285.36-72,386.07

Finding the Fourth Proportional to 132,815.39, 183,285.36 and 72,386.07

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Solution

The fourth proportional to 132,815.39, 183,285.36 and 72,386.07 is: 99,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815.39 : 183,285.36 = 72,386.07 : x
  2. Step 2: Convert to fraction form
    132,815.39/183,285.36 = 72,386.07/x
  3. Step 3: Cross multiply
    132,815.39x = 183,285.36 × 72,386.07
  4. Step 4: Simplify right side
    132,815.39x = 13,267,306,898.94
  5. Step 5: Solve for x
    x = 13,267,306,898.94/132,815.39
  6. Step 6: Final answer
    x = 99,892.85

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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.