Home / 148,028.40-221,605.20-130,532.40

Finding the Fourth Proportional to 148,028.40, 221,605.20 and 130,532.40

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Solution

The fourth proportional to 148,028.40, 221,605.20 and 130,532.40 is: 195,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,028.40 : 221,605.20 = 130,532.40 : x
  2. Step 2: Convert to fraction form
    148,028.40/221,605.20 = 130,532.40/x
  3. Step 3: Cross multiply
    148,028.40x = 221,605.20 × 130,532.40
  4. Step 4: Simplify right side
    148,028.40x = 28,926,658,608.48
  5. Step 5: Solve for x
    x = 28,926,658,608.48/148,028.40
  6. Step 6: Final answer
    x = 195,412.90

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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.