Home / 86,922.89-130,584.18-61,336.10

Finding the Fourth Proportional to 86,922.89, 130,584.18 and 61,336.10

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Solution

The fourth proportional to 86,922.89, 130,584.18 and 61,336.10 is: 92,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.89 : 130,584.18 = 61,336.10 : x
  2. Step 2: Convert to fraction form
    86,922.89/130,584.18 = 61,336.10/x
  3. Step 3: Cross multiply
    86,922.89x = 130,584.18 × 61,336.10
  4. Step 4: Simplify right side
    86,922.89x = 8,009,523,363.30
  5. Step 5: Solve for x
    x = 8,009,523,363.30/86,922.89
  6. Step 6: Final answer
    x = 92,145.16

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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.