Home / 89,101.07-133,282.23-67,880.55

Finding the Fourth Proportional to 89,101.07, 133,282.23 and 67,880.55

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Solution

The fourth proportional to 89,101.07, 133,282.23 and 67,880.55 is: 101,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,101.07 : 133,282.23 = 67,880.55 : x
  2. Step 2: Convert to fraction form
    89,101.07/133,282.23 = 67,880.55/x
  3. Step 3: Cross multiply
    89,101.07x = 133,282.23 × 67,880.55
  4. Step 4: Simplify right side
    89,101.07x = 9,047,271,332.18
  5. Step 5: Solve for x
    x = 9,047,271,332.18/89,101.07
  6. Step 6: Final answer
    x = 101,539.43

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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.