Home / 251,262.12-346,737.72-138,082.44

Finding the Fourth Proportional to 251,262.12, 346,737.72 and 138,082.44

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Solution

The fourth proportional to 251,262.12, 346,737.72 and 138,082.44 is: 190,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,262.12 : 346,737.72 = 138,082.44 : x
  2. Step 2: Convert to fraction form
    251,262.12/346,737.72 = 138,082.44/x
  3. Step 3: Cross multiply
    251,262.12x = 346,737.72 × 138,082.44
  4. Step 4: Simplify right side
    251,262.12x = 47,878,390,417.64
  5. Step 5: Solve for x
    x = 47,878,390,417.64/251,262.12
  6. Step 6: Final answer
    x = 190,551.57

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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.