Home / 121,900.86-182,859.49-47,021.63

Finding the Fourth Proportional to 121,900.86, 182,859.49 and 47,021.63

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Solution

The fourth proportional to 121,900.86, 182,859.49 and 47,021.63 is: 70,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,900.86 : 182,859.49 = 47,021.63 : x
  2. Step 2: Convert to fraction form
    121,900.86/182,859.49 = 47,021.63/x
  3. Step 3: Cross multiply
    121,900.86x = 182,859.49 × 47,021.63
  4. Step 4: Simplify right side
    121,900.86x = 8,598,350,425.25
  5. Step 5: Solve for x
    x = 8,598,350,425.25/121,900.86
  6. Step 6: Final answer
    x = 70,535.60

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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.