Home / 148,729.40-223,266.90-89,631.80

Finding the Fourth Proportional to 148,729.40, 223,266.90 and 89,631.80

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Solution

The fourth proportional to 148,729.40, 223,266.90 and 89,631.80 is: 134,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,729.40 : 223,266.90 = 89,631.80 : x
  2. Step 2: Convert to fraction form
    148,729.40/223,266.90 = 89,631.80/x
  3. Step 3: Cross multiply
    148,729.40x = 223,266.90 × 89,631.80
  4. Step 4: Simplify right side
    148,729.40x = 20,011,814,127.42
  5. Step 5: Solve for x
    x = 20,011,814,127.42/148,729.40
  6. Step 6: Final answer
    x = 134,551.84

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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.