Home / 104,422.81-144,103.62-56,676.16

Finding the Fourth Proportional to 104,422.81, 144,103.62 and 56,676.16

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Solution

The fourth proportional to 104,422.81, 144,103.62 and 56,676.16 is: 78,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.81 : 144,103.62 = 56,676.16 : x
  2. Step 2: Convert to fraction form
    104,422.81/144,103.62 = 56,676.16/x
  3. Step 3: Cross multiply
    104,422.81x = 144,103.62 × 56,676.16
  4. Step 4: Simplify right side
    104,422.81x = 8,167,239,823.70
  5. Step 5: Solve for x
    x = 8,167,239,823.70/104,422.81
  6. Step 6: Final answer
    x = 78,213.18

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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.