Home / 121,390.88-182,113.05-37,151.69

Finding the Fourth Proportional to 121,390.88, 182,113.05 and 37,151.69

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Solution

The fourth proportional to 121,390.88, 182,113.05 and 37,151.69 is: 55,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,390.88 : 182,113.05 = 37,151.69 : x
  2. Step 2: Convert to fraction form
    121,390.88/182,113.05 = 37,151.69/x
  3. Step 3: Cross multiply
    121,390.88x = 182,113.05 × 37,151.69
  4. Step 4: Simplify right side
    121,390.88x = 6,765,807,578.55
  5. Step 5: Solve for x
    x = 6,765,807,578.55/121,390.88
  6. Step 6: Final answer
    x = 55,735.72

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1.5x scale

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.