Home / 89,815.80-134,723.70-89,297.40

Finding the Fourth Proportional to 89,815.80, 134,723.70 and 89,297.40

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Solution

The fourth proportional to 89,815.80, 134,723.70 and 89,297.40 is: 133,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.80 : 134,723.70 = 89,297.40 : x
  2. Step 2: Convert to fraction form
    89,815.80/134,723.70 = 89,297.40/x
  3. Step 3: Cross multiply
    89,815.80x = 134,723.70 × 89,297.40
  4. Step 4: Simplify right side
    89,815.80x = 12,030,476,128.38
  5. Step 5: Solve for x
    x = 12,030,476,128.38/89,815.80
  6. Step 6: Final answer
    x = 133,946.10

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1.5x scale

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.