Home / 89,953.16-134,719.83-71,106.68

Finding the Fourth Proportional to 89,953.16, 134,719.83 and 71,106.68

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Solution

The fourth proportional to 89,953.16, 134,719.83 and 71,106.68 is: 106,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.16 : 134,719.83 = 71,106.68 : x
  2. Step 2: Convert to fraction form
    89,953.16/134,719.83 = 71,106.68/x
  3. Step 3: Cross multiply
    89,953.16x = 134,719.83 × 71,106.68
  4. Step 4: Simplify right side
    89,953.16x = 9,579,479,841.46
  5. Step 5: Solve for x
    x = 9,579,479,841.46/89,953.16
  6. Step 6: Final answer
    x = 106,494.09

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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.