Home / 102,434.84-141,349.77-57,108.59

Finding the Fourth Proportional to 102,434.84, 141,349.77 and 57,108.59

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Solution

The fourth proportional to 102,434.84, 141,349.77 and 57,108.59 is: 78,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,434.84 : 141,349.77 = 57,108.59 : x
  2. Step 2: Convert to fraction form
    102,434.84/141,349.77 = 57,108.59/x
  3. Step 3: Cross multiply
    102,434.84x = 141,349.77 × 57,108.59
  4. Step 4: Simplify right side
    102,434.84x = 8,072,285,354.78
  5. Step 5: Solve for x
    x = 8,072,285,354.78/102,434.84
  6. Step 6: Final answer
    x = 78,804.10

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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.