Home / 86,848.20-130,199.40-45,295.20

Finding the Fourth Proportional to 86,848.20, 130,199.40 and 45,295.20

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Solution

The fourth proportional to 86,848.20, 130,199.40 and 45,295.20 is: 67,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,848.20 : 130,199.40 = 45,295.20 : x
  2. Step 2: Convert to fraction form
    86,848.20/130,199.40 = 45,295.20/x
  3. Step 3: Cross multiply
    86,848.20x = 130,199.40 × 45,295.20
  4. Step 4: Simplify right side
    86,848.20x = 5,897,407,862.88
  5. Step 5: Solve for x
    x = 5,897,407,862.88/86,848.20
  6. Step 6: Final answer
    x = 67,904.78

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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.