Home / 148,521.40-222,782.10-143,272.60

Finding the Fourth Proportional to 148,521.40, 222,782.10 and 143,272.60

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Solution

The fourth proportional to 148,521.40, 222,782.10 and 143,272.60 is: 214,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,521.40 : 222,782.10 = 143,272.60 : x
  2. Step 2: Convert to fraction form
    148,521.40/222,782.10 = 143,272.60/x
  3. Step 3: Cross multiply
    148,521.40x = 222,782.10 × 143,272.60
  4. Step 4: Simplify right side
    148,521.40x = 31,918,570,700.46
  5. Step 5: Solve for x
    x = 31,918,570,700.46/148,521.40
  6. Step 6: Final answer
    x = 214,908.90

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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.