Home / 148,919.40-223,551.90-89,821.80

Finding the Fourth Proportional to 148,919.40, 223,551.90 and 89,821.80

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Solution

The fourth proportional to 148,919.40, 223,551.90 and 89,821.80 is: 134,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,919.40 : 223,551.90 = 89,821.80 : x
  2. Step 2: Convert to fraction form
    148,919.40/223,551.90 = 89,821.80/x
  3. Step 3: Cross multiply
    148,919.40x = 223,551.90 × 89,821.80
  4. Step 4: Simplify right side
    148,919.40x = 20,079,834,051.42
  5. Step 5: Solve for x
    x = 20,079,834,051.42/148,919.40
  6. Step 6: Final answer
    x = 134,836.93

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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.