Home / 120,688.90-181,098.15-50,575.30

Finding the Fourth Proportional to 120,688.90, 181,098.15 and 50,575.30

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Solution

The fourth proportional to 120,688.90, 181,098.15 and 50,575.30 is: 75,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,688.90 : 181,098.15 = 50,575.30 : x
  2. Step 2: Convert to fraction form
    120,688.90/181,098.15 = 50,575.30/x
  3. Step 3: Cross multiply
    120,688.90x = 181,098.15 × 50,575.30
  4. Step 4: Simplify right side
    120,688.90x = 9,159,093,265.70
  5. Step 5: Solve for x
    x = 9,159,093,265.70/120,688.90
  6. Step 6: Final answer
    x = 75,890.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.