Home / 148,154.58-204,451.76-80,170.07

Finding the Fourth Proportional to 148,154.58, 204,451.76 and 80,170.07

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Solution

The fourth proportional to 148,154.58, 204,451.76 and 80,170.07 is: 110,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,154.58 : 204,451.76 = 80,170.07 : x
  2. Step 2: Convert to fraction form
    148,154.58/204,451.76 = 80,170.07/x
  3. Step 3: Cross multiply
    148,154.58x = 204,451.76 × 80,170.07
  4. Step 4: Simplify right side
    148,154.58x = 16,390,911,088.99
  5. Step 5: Solve for x
    x = 16,390,911,088.99/148,154.58
  6. Step 6: Final answer
    x = 110,633.85

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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.