Home / 121,445.80-182,124.93-51,330.58

Finding the Fourth Proportional to 121,445.80, 182,124.93 and 51,330.58

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Solution

The fourth proportional to 121,445.80, 182,124.93 and 51,330.58 is: 76,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,445.80 : 182,124.93 = 51,330.58 : x
  2. Step 2: Convert to fraction form
    121,445.80/182,124.93 = 51,330.58/x
  3. Step 3: Cross multiply
    121,445.80x = 182,124.93 × 51,330.58
  4. Step 4: Simplify right side
    121,445.80x = 9,348,578,289.36
  5. Step 5: Solve for x
    x = 9,348,578,289.36/121,445.80
  6. Step 6: Final answer
    x = 76,977.37

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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.