Home / 102,259.14-141,089.16-61,412.36

Finding the Fourth Proportional to 102,259.14, 141,089.16 and 61,412.36

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Solution

The fourth proportional to 102,259.14, 141,089.16 and 61,412.36 is: 84,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,259.14 : 141,089.16 = 61,412.36 : x
  2. Step 2: Convert to fraction form
    102,259.14/141,089.16 = 61,412.36/x
  3. Step 3: Cross multiply
    102,259.14x = 141,089.16 × 61,412.36
  4. Step 4: Simplify right side
    102,259.14x = 8,664,618,286.02
  5. Step 5: Solve for x
    x = 8,664,618,286.02/102,259.14
  6. Step 6: Final answer
    x = 84,731.97

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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.