Home / 120,185.61-180,151.30-45,273.34

Finding the Fourth Proportional to 120,185.61, 180,151.30 and 45,273.34

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Solution

The fourth proportional to 120,185.61, 180,151.30 and 45,273.34 is: 67,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,185.61 : 180,151.30 = 45,273.34 : x
  2. Step 2: Convert to fraction form
    120,185.61/180,151.30 = 45,273.34/x
  3. Step 3: Cross multiply
    120,185.61x = 180,151.30 × 45,273.34
  4. Step 4: Simplify right side
    120,185.61x = 8,156,051,056.34
  5. Step 5: Solve for x
    x = 8,156,051,056.34/120,185.61
  6. Step 6: Final answer
    x = 67,862.13

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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.