Home / 251,156.48-346,495.68-143,705.60

Finding the Fourth Proportional to 251,156.48, 346,495.68 and 143,705.60

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Solution

The fourth proportional to 251,156.48, 346,495.68 and 143,705.60 is: 198,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,156.48 : 346,495.68 = 143,705.60 : x
  2. Step 2: Convert to fraction form
    251,156.48/346,495.68 = 143,705.60/x
  3. Step 3: Cross multiply
    251,156.48x = 346,495.68 × 143,705.60
  4. Step 4: Simplify right side
    251,156.48x = 49,793,369,591.81
  5. Step 5: Solve for x
    x = 49,793,369,591.81/251,156.48
  6. Step 6: Final answer
    x = 198,256.36

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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.