Home / 104,348.10-144,000.45-56,601.30

Finding the Fourth Proportional to 104,348.10, 144,000.45 and 56,601.30

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Solution

The fourth proportional to 104,348.10, 144,000.45 and 56,601.30 is: 78,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,348.10 : 144,000.45 = 56,601.30 : x
  2. Step 2: Convert to fraction form
    104,348.10/144,000.45 = 56,601.30/x
  3. Step 3: Cross multiply
    104,348.10x = 144,000.45 × 56,601.30
  4. Step 4: Simplify right side
    104,348.10x = 8,150,612,670.59
  5. Step 5: Solve for x
    x = 8,150,612,670.59/104,348.10
  6. Step 6: Final answer
    x = 78,109.83

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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.