Home / 89,460.42-134,210.13-27,135.78

Finding the Fourth Proportional to 89,460.42, 134,210.13 and 27,135.78

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Solution

The fourth proportional to 89,460.42, 134,210.13 and 27,135.78 is: 40,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,460.42 : 134,210.13 = 27,135.78 : x
  2. Step 2: Convert to fraction form
    89,460.42/134,210.13 = 27,135.78/x
  3. Step 3: Cross multiply
    89,460.42x = 134,210.13 × 27,135.78
  4. Step 4: Simplify right side
    89,460.42x = 3,641,896,561.45
  5. Step 5: Solve for x
    x = 3,641,896,561.45/89,460.42
  6. Step 6: Final answer
    x = 40,709.58

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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.