Home / 130,688.56-180,595.38-106,806.52

Finding the Fourth Proportional to 130,688.56, 180,595.38 and 106,806.52

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Solution

The fourth proportional to 130,688.56, 180,595.38 and 106,806.52 is: 147,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,688.56 : 180,595.38 = 106,806.52 : x
  2. Step 2: Convert to fraction form
    130,688.56/180,595.38 = 106,806.52/x
  3. Step 3: Cross multiply
    130,688.56x = 180,595.38 × 106,806.52
  4. Step 4: Simplify right side
    130,688.56x = 19,288,764,065.88
  5. Step 5: Solve for x
    x = 19,288,764,065.88/130,688.56
  6. Step 6: Final answer
    x = 147,593.36

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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.