Home / 187,442.32-258,674.12-102,561.20

Finding the Fourth Proportional to 187,442.32, 258,674.12 and 102,561.20

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Solution

The fourth proportional to 187,442.32, 258,674.12 and 102,561.20 is: 141,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,442.32 : 258,674.12 = 102,561.20 : x
  2. Step 2: Convert to fraction form
    187,442.32/258,674.12 = 102,561.20/x
  3. Step 3: Cross multiply
    187,442.32x = 258,674.12 × 102,561.20
  4. Step 4: Simplify right side
    187,442.32x = 26,529,928,156.14
  5. Step 5: Solve for x
    x = 26,529,928,156.14/187,442.32
  6. Step 6: Final answer
    x = 141,536.49

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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.