Home / 243,138.03-364,400.26-123,225.11

Finding the Fourth Proportional to 243,138.03, 364,400.26 and 123,225.11

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Solution

The fourth proportional to 243,138.03, 364,400.26 and 123,225.11 is: 184,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,138.03 : 364,400.26 = 123,225.11 : x
  2. Step 2: Convert to fraction form
    243,138.03/364,400.26 = 123,225.11/x
  3. Step 3: Cross multiply
    243,138.03x = 364,400.26 × 123,225.11
  4. Step 4: Simplify right side
    243,138.03x = 44,903,262,122.53
  5. Step 5: Solve for x
    x = 44,903,262,122.53/243,138.03
  6. Step 6: Final answer
    x = 184,682.18

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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.