Home / 264,148.12-396,320.82-106,421.32

Finding the Fourth Proportional to 264,148.12, 396,320.82 and 106,421.32

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Solution

The fourth proportional to 264,148.12, 396,320.82 and 106,421.32 is: 159,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,148.12 : 396,320.82 = 106,421.32 : x
  2. Step 2: Convert to fraction form
    264,148.12/396,320.82 = 106,421.32/x
  3. Step 3: Cross multiply
    264,148.12x = 396,320.82 × 106,421.32
  4. Step 4: Simplify right side
    264,148.12x = 42,176,984,807.88
  5. Step 5: Solve for x
    x = 42,176,984,807.88/264,148.12
  6. Step 6: Final answer
    x = 159,671.72

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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.