Home / 102,318.82-141,194.45-56,376.93

Finding the Fourth Proportional to 102,318.82, 141,194.45 and 56,376.93

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Solution

The fourth proportional to 102,318.82, 141,194.45 and 56,376.93 is: 77,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,318.82 : 141,194.45 = 56,376.93 : x
  2. Step 2: Convert to fraction form
    102,318.82/141,194.45 = 56,376.93/x
  3. Step 3: Cross multiply
    102,318.82x = 141,194.45 × 56,376.93
  4. Step 4: Simplify right side
    102,318.82x = 7,960,108,918.07
  5. Step 5: Solve for x
    x = 7,960,108,918.07/102,318.82
  6. Step 6: Final answer
    x = 77,797.11

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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.