Home / 104,124.18-143,690.76-56,376.54

Finding the Fourth Proportional to 104,124.18, 143,690.76 and 56,376.54

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Solution

The fourth proportional to 104,124.18, 143,690.76 and 56,376.54 is: 77,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,124.18 : 143,690.76 = 56,376.54 : x
  2. Step 2: Convert to fraction form
    104,124.18/143,690.76 = 56,376.54/x
  3. Step 3: Cross multiply
    104,124.18x = 143,690.76 × 56,376.54
  4. Step 4: Simplify right side
    104,124.18x = 8,100,787,878.77
  5. Step 5: Solve for x
    x = 8,100,787,878.77/104,124.18
  6. Step 6: Final answer
    x = 77,799.30

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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.