Home / 104,505.21-144,226.17-59,191.20

Finding the Fourth Proportional to 104,505.21, 144,226.17 and 59,191.20

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Solution

The fourth proportional to 104,505.21, 144,226.17 and 59,191.20 is: 81,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,505.21 : 144,226.17 = 59,191.20 : x
  2. Step 2: Convert to fraction form
    104,505.21/144,226.17 = 59,191.20/x
  3. Step 3: Cross multiply
    104,505.21x = 144,226.17 × 59,191.20
  4. Step 4: Simplify right side
    104,505.21x = 8,536,920,073.70
  5. Step 5: Solve for x
    x = 8,536,920,073.70/104,505.21
  6. Step 6: Final answer
    x = 81,688.94

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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.