Home / 251,280.72-346,767.60-138,110.76

Finding the Fourth Proportional to 251,280.72, 346,767.60 and 138,110.76

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Solution

The fourth proportional to 251,280.72, 346,767.60 and 138,110.76 is: 190,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,280.72 : 346,767.60 = 138,110.76 : x
  2. Step 2: Convert to fraction form
    251,280.72/346,767.60 = 138,110.76/x
  3. Step 3: Cross multiply
    251,280.72x = 346,767.60 × 138,110.76
  4. Step 4: Simplify right side
    251,280.72x = 47,892,336,779.38
  5. Step 5: Solve for x
    x = 47,892,336,779.38/251,280.72
  6. Step 6: Final answer
    x = 190,592.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.