Home / 187,275.76-258,441.64-102,392.82

Finding the Fourth Proportional to 187,275.76, 258,441.64 and 102,392.82

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Solution

The fourth proportional to 187,275.76, 258,441.64 and 102,392.82 is: 141,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,275.76 : 258,441.64 = 102,392.82 : x
  2. Step 2: Convert to fraction form
    187,275.76/258,441.64 = 102,392.82/x
  3. Step 3: Cross multiply
    187,275.76x = 258,441.64 × 102,392.82
  4. Step 4: Simplify right side
    187,275.76x = 26,462,568,325.02
  5. Step 5: Solve for x
    x = 26,462,568,325.02/187,275.76
  6. Step 6: Final answer
    x = 141,302.69

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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.