Home / 102,377.94-141,419.55-92,828.64

Finding the Fourth Proportional to 102,377.94, 141,419.55 and 92,828.64

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Solution

The fourth proportional to 102,377.94, 141,419.55 and 92,828.64 is: 128,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,377.94 : 141,419.55 = 92,828.64 : x
  2. Step 2: Convert to fraction form
    102,377.94/141,419.55 = 92,828.64/x
  3. Step 3: Cross multiply
    102,377.94x = 141,419.55 × 92,828.64
  4. Step 4: Simplify right side
    102,377.94x = 13,127,784,495.91
  5. Step 5: Solve for x
    x = 13,127,784,495.91/102,377.94
  6. Step 6: Final answer
    x = 128,228.64

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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.