Home / 89,461.72-134,075.94-36,818.20

Finding the Fourth Proportional to 89,461.72, 134,075.94 and 36,818.20

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Solution

The fourth proportional to 89,461.72, 134,075.94 and 36,818.20 is: 55,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,461.72 : 134,075.94 = 36,818.20 : x
  2. Step 2: Convert to fraction form
    89,461.72/134,075.94 = 36,818.20/x
  3. Step 3: Cross multiply
    89,461.72x = 134,075.94 × 36,818.20
  4. Step 4: Simplify right side
    89,461.72x = 4,936,434,774.11
  5. Step 5: Solve for x
    x = 4,936,434,774.11/89,461.72
  6. Step 6: Final answer
    x = 55,179.30

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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.