Home / 154,817.20-232,225.80-148,912.30

Finding the Fourth Proportional to 154,817.20, 232,225.80 and 148,912.30

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Solution

The fourth proportional to 154,817.20, 232,225.80 and 148,912.30 is: 223,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,817.20 : 232,225.80 = 148,912.30 : x
  2. Step 2: Convert to fraction form
    154,817.20/232,225.80 = 148,912.30/x
  3. Step 3: Cross multiply
    154,817.20x = 232,225.80 × 148,912.30
  4. Step 4: Simplify right side
    154,817.20x = 34,581,277,997.34
  5. Step 5: Solve for x
    x = 34,581,277,997.34/154,817.20
  6. Step 6: Final answer
    x = 223,368.45

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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.