Home / 253,187.24-349,384.26-138,443.10

Finding the Fourth Proportional to 253,187.24, 349,384.26 and 138,443.10

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Solution

The fourth proportional to 253,187.24, 349,384.26 and 138,443.10 is: 191,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,187.24 : 349,384.26 = 138,443.10 : x
  2. Step 2: Convert to fraction form
    253,187.24/349,384.26 = 138,443.10/x
  3. Step 3: Cross multiply
    253,187.24x = 349,384.26 × 138,443.10
  4. Step 4: Simplify right side
    253,187.24x = 48,369,839,847.85
  5. Step 5: Solve for x
    x = 48,369,839,847.85/253,187.24
  6. Step 6: Final answer
    x = 191,043.75

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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.