Home / 104,455.31-144,151.25-56,711.75

Finding the Fourth Proportional to 104,455.31, 144,151.25 and 56,711.75

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Solution

The fourth proportional to 104,455.31, 144,151.25 and 56,711.75 is: 78,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,455.31 : 144,151.25 = 56,711.75 : x
  2. Step 2: Convert to fraction form
    104,455.31/144,151.25 = 56,711.75/x
  3. Step 3: Cross multiply
    104,455.31x = 144,151.25 × 56,711.75
  4. Step 4: Simplify right side
    104,455.31x = 8,175,068,647.87
  5. Step 5: Solve for x
    x = 8,175,068,647.87/104,455.31
  6. Step 6: Final answer
    x = 78,263.80

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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.