Home / 102,519.16-141,476.46-57,807.16

Finding the Fourth Proportional to 102,519.16, 141,476.46 and 57,807.16

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Solution

The fourth proportional to 102,519.16, 141,476.46 and 57,807.16 is: 79,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,519.16 : 141,476.46 = 57,807.16 : x
  2. Step 2: Convert to fraction form
    102,519.16/141,476.46 = 57,807.16/x
  3. Step 3: Cross multiply
    102,519.16x = 141,476.46 × 57,807.16
  4. Step 4: Simplify right side
    102,519.16x = 8,178,352,359.45
  5. Step 5: Solve for x
    x = 8,178,352,359.45/102,519.16
  6. Step 6: Final answer
    x = 79,773.89

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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.