Home / 251,350.08-346,854.30-138,172.02

Finding the Fourth Proportional to 251,350.08, 346,854.30 and 138,172.02

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Solution

The fourth proportional to 251,350.08, 346,854.30 and 138,172.02 is: 190,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,350.08 : 346,854.30 = 138,172.02 : x
  2. Step 2: Convert to fraction form
    251,350.08/346,854.30 = 138,172.02/x
  3. Step 3: Cross multiply
    251,350.08x = 346,854.30 × 138,172.02
  4. Step 4: Simplify right side
    251,350.08x = 47,925,559,276.69
  5. Step 5: Solve for x
    x = 47,925,559,276.69/251,350.08
  6. Step 6: Final answer
    x = 190,672.54

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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.