Home / 187,463.21-258,698.53-101,421.92

Finding the Fourth Proportional to 187,463.21, 258,698.53 and 101,421.92

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Solution

The fourth proportional to 187,463.21, 258,698.53 and 101,421.92 is: 139,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,463.21 : 258,698.53 = 101,421.92 : x
  2. Step 2: Convert to fraction form
    187,463.21/258,698.53 = 101,421.92/x
  3. Step 3: Cross multiply
    187,463.21x = 258,698.53 × 101,421.92
  4. Step 4: Simplify right side
    187,463.21x = 26,237,700,932.12
  5. Step 5: Solve for x
    x = 26,237,700,932.12/187,463.21
  6. Step 6: Final answer
    x = 139,961.87

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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.