Home / 130,342.70-179,780.17-119,622.20

Finding the Fourth Proportional to 130,342.70, 179,780.17 and 119,622.20

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Solution

The fourth proportional to 130,342.70, 179,780.17 and 119,622.20 is: 164,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342.70 : 179,780.17 = 119,622.20 : x
  2. Step 2: Convert to fraction form
    130,342.70/179,780.17 = 119,622.20/x
  3. Step 3: Cross multiply
    130,342.70x = 179,780.17 × 119,622.20
  4. Step 4: Simplify right side
    130,342.70x = 21,505,697,954.76
  5. Step 5: Solve for x
    x = 21,505,697,954.76/130,342.70
  6. Step 6: Final answer
    x = 164,993.50

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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.