Home / 104,423.76-144,100.94-56,676.09

Finding the Fourth Proportional to 104,423.76, 144,100.94 and 56,676.09

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Solution

The fourth proportional to 104,423.76, 144,100.94 and 56,676.09 is: 78,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.76 : 144,100.94 = 56,676.09 : x
  2. Step 2: Convert to fraction form
    104,423.76/144,100.94 = 56,676.09/x
  3. Step 3: Cross multiply
    104,423.76x = 144,100.94 × 56,676.09
  4. Step 4: Simplify right side
    104,423.76x = 8,167,076,840.64
  5. Step 5: Solve for x
    x = 8,167,076,840.64/104,423.76
  6. Step 6: Final answer
    x = 78,210.91

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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.