Home / 252,810.12-379,325.90-119,785.32

Finding the Fourth Proportional to 252,810.12, 379,325.90 and 119,785.32

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Solution

The fourth proportional to 252,810.12, 379,325.90 and 119,785.32 is: 179,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,810.12 : 379,325.90 = 119,785.32 : x
  2. Step 2: Convert to fraction form
    252,810.12/379,325.90 = 119,785.32/x
  3. Step 3: Cross multiply
    252,810.12x = 379,325.90 × 119,785.32
  4. Step 4: Simplify right side
    252,810.12x = 45,437,674,315.79
  5. Step 5: Solve for x
    x = 45,437,674,315.79/252,810.12
  6. Step 6: Final answer
    x = 179,730.44

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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.