Home / 95,289.20-142,897.16-45,330.80

Finding the Fourth Proportional to 95,289.20, 142,897.16 and 45,330.80

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Solution

The fourth proportional to 95,289.20, 142,897.16 and 45,330.80 is: 67,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,289.20 : 142,897.16 = 45,330.80 : x
  2. Step 2: Convert to fraction form
    95,289.20/142,897.16 = 45,330.80/x
  3. Step 3: Cross multiply
    95,289.20x = 142,897.16 × 45,330.80
  4. Step 4: Simplify right side
    95,289.20x = 6,477,642,580.53
  5. Step 5: Solve for x
    x = 6,477,642,580.53/95,289.20
  6. Step 6: Final answer
    x = 67,978.77

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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.