Home / 89,492.09-134,154.30-30,286.31

Finding the Fourth Proportional to 89,492.09, 134,154.30 and 30,286.31

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Solution

The fourth proportional to 89,492.09, 134,154.30 and 30,286.31 is: 45,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,492.09 : 134,154.30 = 30,286.31 : x
  2. Step 2: Convert to fraction form
    89,492.09/134,154.30 = 30,286.31/x
  3. Step 3: Cross multiply
    89,492.09x = 134,154.30 × 30,286.31
  4. Step 4: Simplify right side
    89,492.09x = 4,063,038,717.63
  5. Step 5: Solve for x
    x = 4,063,038,717.63/89,492.09
  6. Step 6: Final answer
    x = 45,401.09

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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.