Home / 120,981.95-181,472.52-31,024.57

Finding the Fourth Proportional to 120,981.95, 181,472.52 and 31,024.57

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Solution

The fourth proportional to 120,981.95, 181,472.52 and 31,024.57 is: 46,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,981.95 : 181,472.52 = 31,024.57 : x
  2. Step 2: Convert to fraction form
    120,981.95/181,472.52 = 31,024.57/x
  3. Step 3: Cross multiply
    120,981.95x = 181,472.52 × 31,024.57
  4. Step 4: Simplify right side
    120,981.95x = 5,630,106,523.70
  5. Step 5: Solve for x
    x = 5,630,106,523.70/120,981.95
  6. Step 6: Final answer
    x = 46,536.75

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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.