Home / 120,176.74-180,002.40-60,910.66

Finding the Fourth Proportional to 120,176.74, 180,002.40 and 60,910.66

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Solution

The fourth proportional to 120,176.74, 180,002.40 and 60,910.66 is: 91,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,176.74 : 180,002.40 = 60,910.66 : x
  2. Step 2: Convert to fraction form
    120,176.74/180,002.40 = 60,910.66/x
  3. Step 3: Cross multiply
    120,176.74x = 180,002.40 × 60,910.66
  4. Step 4: Simplify right side
    120,176.74x = 10,964,064,985.58
  5. Step 5: Solve for x
    x = 10,964,064,985.58/120,176.74
  6. Step 6: Final answer
    x = 91,232.84

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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.