Home / 104,566.20-144,301.50-56,820.12

Finding the Fourth Proportional to 104,566.20, 144,301.50 and 56,820.12

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Solution

The fourth proportional to 104,566.20, 144,301.50 and 56,820.12 is: 78,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,566.20 : 144,301.50 = 56,820.12 : x
  2. Step 2: Convert to fraction form
    104,566.20/144,301.50 = 56,820.12/x
  3. Step 3: Cross multiply
    104,566.20x = 144,301.50 × 56,820.12
  4. Step 4: Simplify right side
    104,566.20x = 8,199,228,546.18
  5. Step 5: Solve for x
    x = 8,199,228,546.18/104,566.20
  6. Step 6: Final answer
    x = 78,411.84

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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.