Home / 104,375.40-144,038.06-56,628.75

Finding the Fourth Proportional to 104,375.40, 144,038.06 and 56,628.75

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Solution

The fourth proportional to 104,375.40, 144,038.06 and 56,628.75 is: 78,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,375.40 : 144,038.06 = 56,628.75 : x
  2. Step 2: Convert to fraction form
    104,375.40/144,038.06 = 56,628.75/x
  3. Step 3: Cross multiply
    104,375.40x = 144,038.06 × 56,628.75
  4. Step 4: Simplify right side
    104,375.40x = 8,156,696,078.12
  5. Step 5: Solve for x
    x = 8,156,696,078.12/104,375.40
  6. Step 6: Final answer
    x = 78,147.69

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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.