Home / 251,328.96-346,829.04-138,153.60

Finding the Fourth Proportional to 251,328.96, 346,829.04 and 138,153.60

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Solution

The fourth proportional to 251,328.96, 346,829.04 and 138,153.60 is: 190,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,328.96 : 346,829.04 = 138,153.60 : x
  2. Step 2: Convert to fraction form
    251,328.96/346,829.04 = 138,153.60/x
  3. Step 3: Cross multiply
    251,328.96x = 346,829.04 × 138,153.60
  4. Step 4: Simplify right side
    251,328.96x = 47,915,680,460.54
  5. Step 5: Solve for x
    x = 47,915,680,460.54/251,328.96
  6. Step 6: Final answer
    x = 190,649.26

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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.