Home / 130,352.34-179,823.60-76,634.76

Finding the Fourth Proportional to 130,352.34, 179,823.60 and 76,634.76

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Solution

The fourth proportional to 130,352.34, 179,823.60 and 76,634.76 is: 105,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,352.34 : 179,823.60 = 76,634.76 : x
  2. Step 2: Convert to fraction form
    130,352.34/179,823.60 = 76,634.76/x
  3. Step 3: Cross multiply
    130,352.34x = 179,823.60 × 76,634.76
  4. Step 4: Simplify right side
    130,352.34x = 13,780,738,428.34
  5. Step 5: Solve for x
    x = 13,780,738,428.34/130,352.34
  6. Step 6: Final answer
    x = 105,719.15

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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.