Home / 89,154.63-133,710.08-36,579.15

Finding the Fourth Proportional to 89,154.63, 133,710.08 and 36,579.15

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Solution

The fourth proportional to 89,154.63, 133,710.08 and 36,579.15 is: 54,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154.63 : 133,710.08 = 36,579.15 : x
  2. Step 2: Convert to fraction form
    89,154.63/133,710.08 = 36,579.15/x
  3. Step 3: Cross multiply
    89,154.63x = 133,710.08 × 36,579.15
  4. Step 4: Simplify right side
    89,154.63x = 4,891,000,889.94
  5. Step 5: Solve for x
    x = 4,891,000,889.94/89,154.63
  6. Step 6: Final answer
    x = 54,859.75

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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.