Home / 102,733.54-141,508.62-72,465.67

Finding the Fourth Proportional to 102,733.54, 141,508.62 and 72,465.67

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Solution

The fourth proportional to 102,733.54, 141,508.62 and 72,465.67 is: 99,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,733.54 : 141,508.62 = 72,465.67 : x
  2. Step 2: Convert to fraction form
    102,733.54/141,508.62 = 72,465.67/x
  3. Step 3: Cross multiply
    102,733.54x = 141,508.62 × 72,465.67
  4. Step 4: Simplify right side
    102,733.54x = 10,254,516,959.08
  5. Step 5: Solve for x
    x = 10,254,516,959.08/102,733.54
  6. Step 6: Final answer
    x = 99,816.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.