Home / 102,158.33-140,979.80-56,223.26

Finding the Fourth Proportional to 102,158.33, 140,979.80 and 56,223.26

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Solution

The fourth proportional to 102,158.33, 140,979.80 and 56,223.26 is: 77,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,158.33 : 140,979.80 = 56,223.26 : x
  2. Step 2: Convert to fraction form
    102,158.33/140,979.80 = 56,223.26/x
  3. Step 3: Cross multiply
    102,158.33x = 140,979.80 × 56,223.26
  4. Step 4: Simplify right side
    102,158.33x = 7,926,344,021.48
  5. Step 5: Solve for x
    x = 7,926,344,021.48/102,158.33
  6. Step 6: Final answer
    x = 77,588.82

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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.