Home / 148,975.80-223,172.10-89,635.20

Finding the Fourth Proportional to 148,975.80, 223,172.10 and 89,635.20

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Solution

The fourth proportional to 148,975.80, 223,172.10 and 89,635.20 is: 134,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,975.80 : 223,172.10 = 89,635.20 : x
  2. Step 2: Convert to fraction form
    148,975.80/223,172.10 = 89,635.20/x
  3. Step 3: Cross multiply
    148,975.80x = 223,172.10 × 89,635.20
  4. Step 4: Simplify right side
    148,975.80x = 20,004,075,817.92
  5. Step 5: Solve for x
    x = 20,004,075,817.92/148,975.80
  6. Step 6: Final answer
    x = 134,277.35

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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.