Home / 86,833.20-130,152.60-36,904.80

Finding the Fourth Proportional to 86,833.20, 130,152.60 and 36,904.80

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Solution

The fourth proportional to 86,833.20, 130,152.60 and 36,904.80 is: 55,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,833.20 : 130,152.60 = 36,904.80 : x
  2. Step 2: Convert to fraction form
    86,833.20/130,152.60 = 36,904.80/x
  3. Step 3: Cross multiply
    86,833.20x = 130,152.60 × 36,904.80
  4. Step 4: Simplify right side
    86,833.20x = 4,803,255,672.48
  5. Step 5: Solve for x
    x = 4,803,255,672.48/86,833.20
  6. Step 6: Final answer
    x = 55,315.89

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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.