Home / 86,767.88-130,152.49-56,807.33

Finding the Fourth Proportional to 86,767.88, 130,152.49 and 56,807.33

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Solution

The fourth proportional to 86,767.88, 130,152.49 and 56,807.33 is: 85,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,767.88 : 130,152.49 = 56,807.33 : x
  2. Step 2: Convert to fraction form
    86,767.88/130,152.49 = 56,807.33/x
  3. Step 3: Cross multiply
    86,767.88x = 130,152.49 × 56,807.33
  4. Step 4: Simplify right side
    86,767.88x = 7,393,614,656.97
  5. Step 5: Solve for x
    x = 7,393,614,656.97/86,767.88
  6. Step 6: Final answer
    x = 85,211.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.