Home / 84,007.98-126,155.79-56,107.33

Finding the Fourth Proportional to 84,007.98, 126,155.79 and 56,107.33

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Solution

The fourth proportional to 84,007.98, 126,155.79 and 56,107.33 is: 84,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,007.98 : 126,155.79 = 56,107.33 : x
  2. Step 2: Convert to fraction form
    84,007.98/126,155.79 = 56,107.33/x
  3. Step 3: Cross multiply
    84,007.98x = 126,155.79 × 56,107.33
  4. Step 4: Simplify right side
    84,007.98x = 7,078,264,225.55
  5. Step 5: Solve for x
    x = 7,078,264,225.55/84,007.98
  6. Step 6: Final answer
    x = 84,257.05

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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.