Home / 104,680.11-144,459.69-56,933.58

Finding the Fourth Proportional to 104,680.11, 144,459.69 and 56,933.58

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Solution

The fourth proportional to 104,680.11, 144,459.69 and 56,933.58 is: 78,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,680.11 : 144,459.69 = 56,933.58 : x
  2. Step 2: Convert to fraction form
    104,680.11/144,459.69 = 56,933.58/x
  3. Step 3: Cross multiply
    104,680.11x = 144,459.69 × 56,933.58
  4. Step 4: Simplify right side
    104,680.11x = 8,224,607,645.61
  5. Step 5: Solve for x
    x = 8,224,607,645.61/104,680.11
  6. Step 6: Final answer
    x = 78,568.96

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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.