Home / 130,426.60-179,989.68-73,836.76

Finding the Fourth Proportional to 130,426.60, 179,989.68 and 73,836.76

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Solution

The fourth proportional to 130,426.60, 179,989.68 and 73,836.76 is: 101,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,426.60 : 179,989.68 = 73,836.76 : x
  2. Step 2: Convert to fraction form
    130,426.60/179,989.68 = 73,836.76/x
  3. Step 3: Cross multiply
    130,426.60x = 179,989.68 × 73,836.76
  4. Step 4: Simplify right side
    130,426.60x = 13,289,854,804.64
  5. Step 5: Solve for x
    x = 13,289,854,804.64/130,426.60
  6. Step 6: Final answer
    x = 101,895.28

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1.5x scale

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.