Home / 119,780.12-179,639.52-35,520.60

Finding the Fourth Proportional to 119,780.12, 179,639.52 and 35,520.60

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Solution

The fourth proportional to 119,780.12, 179,639.52 and 35,520.60 is: 53,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,780.12 : 179,639.52 = 35,520.60 : x
  2. Step 2: Convert to fraction form
    119,780.12/179,639.52 = 35,520.60/x
  3. Step 3: Cross multiply
    119,780.12x = 179,639.52 × 35,520.60
  4. Step 4: Simplify right side
    119,780.12x = 6,380,903,534.11
  5. Step 5: Solve for x
    x = 6,380,903,534.11/119,780.12
  6. Step 6: Final answer
    x = 53,271.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.