Home / 104,641.20-144,403.16-56,895.75

Finding the Fourth Proportional to 104,641.20, 144,403.16 and 56,895.75

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Solution

The fourth proportional to 104,641.20, 144,403.16 and 56,895.75 is: 78,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,641.20 : 144,403.16 = 56,895.75 : x
  2. Step 2: Convert to fraction form
    104,641.20/144,403.16 = 56,895.75/x
  3. Step 3: Cross multiply
    104,641.20x = 144,403.16 × 56,895.75
  4. Step 4: Simplify right side
    104,641.20x = 8,215,925,806.09
  5. Step 5: Solve for x
    x = 8,215,925,806.09/104,641.20
  6. Step 6: Final answer
    x = 78,515.21

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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.