Home / 187,463.17-258,698.45-101,421.88

Finding the Fourth Proportional to 187,463.17, 258,698.45 and 101,421.88

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Solution

The fourth proportional to 187,463.17, 258,698.45 and 101,421.88 is: 139,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,463.17 : 258,698.45 = 101,421.88 : x
  2. Step 2: Convert to fraction form
    187,463.17/258,698.45 = 101,421.88/x
  3. Step 3: Cross multiply
    187,463.17x = 258,698.45 × 101,421.88
  4. Step 4: Simplify right side
    187,463.17x = 26,237,681,858.59
  5. Step 5: Solve for x
    x = 26,237,681,858.59/187,463.17
  6. Step 6: Final answer
    x = 139,961.80

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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.