Home / 123,178.20-184,825.62-70,632.12

Finding the Fourth Proportional to 123,178.20, 184,825.62 and 70,632.12

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Solution

The fourth proportional to 123,178.20, 184,825.62 and 70,632.12 is: 105,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,178.20 : 184,825.62 = 70,632.12 : x
  2. Step 2: Convert to fraction form
    123,178.20/184,825.62 = 70,632.12/x
  3. Step 3: Cross multiply
    123,178.20x = 184,825.62 × 70,632.12
  4. Step 4: Simplify right side
    123,178.20x = 13,054,625,370.91
  5. Step 5: Solve for x
    x = 13,054,625,370.91/123,178.20
  6. Step 6: Final answer
    x = 105,981.62

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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.