Home / 148,911.40-223,539.90-89,813.80

Finding the Fourth Proportional to 148,911.40, 223,539.90 and 89,813.80

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Solution

The fourth proportional to 148,911.40, 223,539.90 and 89,813.80 is: 134,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,911.40 : 223,539.90 = 89,813.80 : x
  2. Step 2: Convert to fraction form
    148,911.40/223,539.90 = 89,813.80/x
  3. Step 3: Cross multiply
    148,911.40x = 223,539.90 × 89,813.80
  4. Step 4: Simplify right side
    148,911.40x = 20,076,967,870.62
  5. Step 5: Solve for x
    x = 20,076,967,870.62/148,911.40
  6. Step 6: Final answer
    x = 134,824.92

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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.