Home / 228,239.24-342,505.74-123,130.76

Finding the Fourth Proportional to 228,239.24, 342,505.74 and 123,130.76

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Solution

The fourth proportional to 228,239.24, 342,505.74 and 123,130.76 is: 184,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,239.24 : 342,505.74 = 123,130.76 : x
  2. Step 2: Convert to fraction form
    228,239.24/342,505.74 = 123,130.76/x
  3. Step 3: Cross multiply
    228,239.24x = 342,505.74 × 123,130.76
  4. Step 4: Simplify right side
    228,239.24x = 42,172,992,070.56
  5. Step 5: Solve for x
    x = 42,172,992,070.56/228,239.24
  6. Step 6: Final answer
    x = 184,775.38

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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.