Home / 102,235.48-141,056.58-65,921.56

Finding the Fourth Proportional to 102,235.48, 141,056.58 and 65,921.56

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Solution

The fourth proportional to 102,235.48, 141,056.58 and 65,921.56 is: 90,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,235.48 : 141,056.58 = 65,921.56 : x
  2. Step 2: Convert to fraction form
    102,235.48/141,056.58 = 65,921.56/x
  3. Step 3: Cross multiply
    102,235.48x = 141,056.58 × 65,921.56
  4. Step 4: Simplify right side
    102,235.48x = 9,298,669,801.86
  5. Step 5: Solve for x
    x = 9,298,669,801.86/102,235.48
  6. Step 6: Final answer
    x = 90,953.45

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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.