Home / 251,082.03-346,408.86-142,171.53

Finding the Fourth Proportional to 251,082.03, 346,408.86 and 142,171.53

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Solution

The fourth proportional to 251,082.03, 346,408.86 and 142,171.53 is: 196,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,082.03 : 346,408.86 = 142,171.53 : x
  2. Step 2: Convert to fraction form
    251,082.03/346,408.86 = 142,171.53/x
  3. Step 3: Cross multiply
    251,082.03x = 346,408.86 × 142,171.53
  4. Step 4: Simplify right side
    251,082.03x = 49,249,477,631.76
  5. Step 5: Solve for x
    x = 49,249,477,631.76/251,082.03
  6. Step 6: Final answer
    x = 196,148.95

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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.