Home / 102,330.35-141,218.68-64,086.32

Finding the Fourth Proportional to 102,330.35, 141,218.68 and 64,086.32

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Solution

The fourth proportional to 102,330.35, 141,218.68 and 64,086.32 is: 88,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,330.35 : 141,218.68 = 64,086.32 : x
  2. Step 2: Convert to fraction form
    102,330.35/141,218.68 = 64,086.32/x
  3. Step 3: Cross multiply
    102,330.35x = 141,218.68 × 64,086.32
  4. Step 4: Simplify right side
    102,330.35x = 9,050,184,810.36
  5. Step 5: Solve for x
    x = 9,050,184,810.36/102,330.35
  6. Step 6: Final answer
    x = 88,440.87

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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.