Home / 89,516.70-134,267.49-42,120.63

Finding the Fourth Proportional to 89,516.70, 134,267.49 and 42,120.63

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Solution

The fourth proportional to 89,516.70, 134,267.49 and 42,120.63 is: 63,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.70 : 134,267.49 = 42,120.63 : x
  2. Step 2: Convert to fraction form
    89,516.70/134,267.49 = 42,120.63/x
  3. Step 3: Cross multiply
    89,516.70x = 134,267.49 × 42,120.63
  4. Step 4: Simplify right side
    89,516.70x = 5,655,431,267.32
  5. Step 5: Solve for x
    x = 5,655,431,267.32/89,516.70
  6. Step 6: Final answer
    x = 63,177.39

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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.