Home / 121,314.20-181,971.30-37,074.20

Finding the Fourth Proportional to 121,314.20, 181,971.30 and 37,074.20

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Solution

The fourth proportional to 121,314.20, 181,971.30 and 37,074.20 is: 55,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,314.20 : 181,971.30 = 37,074.20 : x
  2. Step 2: Convert to fraction form
    121,314.20/181,971.30 = 37,074.20/x
  3. Step 3: Cross multiply
    121,314.20x = 181,971.30 × 37,074.20
  4. Step 4: Simplify right side
    121,314.20x = 6,746,440,370.46
  5. Step 5: Solve for x
    x = 6,746,440,370.46/121,314.20
  6. Step 6: Final answer
    x = 55,611.30

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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.