Home / 187,465.11-258,701.12-101,423.82

Finding the Fourth Proportional to 187,465.11, 258,701.12 and 101,423.82

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Solution

The fourth proportional to 187,465.11, 258,701.12 and 101,423.82 is: 139,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,465.11 : 258,701.12 = 101,423.82 : x
  2. Step 2: Convert to fraction form
    187,465.11/258,701.12 = 101,423.82/x
  3. Step 3: Cross multiply
    187,465.11x = 258,701.12 × 101,423.82
  4. Step 4: Simplify right side
    187,465.11x = 26,238,455,321.56
  5. Step 5: Solve for x
    x = 26,238,455,321.56/187,465.11
  6. Step 6: Final answer
    x = 139,964.47

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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.