Home / 132,865.75-183,362.03-76,280.77

Finding the Fourth Proportional to 132,865.75, 183,362.03 and 76,280.77

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Solution

The fourth proportional to 132,865.75, 183,362.03 and 76,280.77 is: 105,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,865.75 : 183,362.03 = 76,280.77 : x
  2. Step 2: Convert to fraction form
    132,865.75/183,362.03 = 76,280.77/x
  3. Step 3: Cross multiply
    132,865.75x = 183,362.03 × 76,280.77
  4. Step 4: Simplify right side
    132,865.75x = 13,986,996,837.16
  5. Step 5: Solve for x
    x = 13,986,996,837.16/132,865.75
  6. Step 6: Final answer
    x = 105,271.65

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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.