Home / 148,968.80-223,453.20-142,056.80

Finding the Fourth Proportional to 148,968.80, 223,453.20 and 142,056.80

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Solution

The fourth proportional to 148,968.80, 223,453.20 and 142,056.80 is: 213,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,968.80 : 223,453.20 = 142,056.80 : x
  2. Step 2: Convert to fraction form
    148,968.80/223,453.20 = 142,056.80/x
  3. Step 3: Cross multiply
    148,968.80x = 223,453.20 × 142,056.80
  4. Step 4: Simplify right side
    148,968.80x = 31,743,046,541.76
  5. Step 5: Solve for x
    x = 31,743,046,541.76/148,968.80
  6. Step 6: Final answer
    x = 213,085.20

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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.