Home / 121,980.42-182,990.07-37,737.18

Finding the Fourth Proportional to 121,980.42, 182,990.07 and 37,737.18

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Solution

The fourth proportional to 121,980.42, 182,990.07 and 37,737.18 is: 56,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,980.42 : 182,990.07 = 37,737.18 : x
  2. Step 2: Convert to fraction form
    121,980.42/182,990.07 = 37,737.18/x
  3. Step 3: Cross multiply
    121,980.42x = 182,990.07 × 37,737.18
  4. Step 4: Simplify right side
    121,980.42x = 6,905,529,209.80
  5. Step 5: Solve for x
    x = 6,905,529,209.80/121,980.42
  6. Step 6: Final answer
    x = 56,611.78

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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.