Home / 187,345.70-258,539.10-102,460.94

Finding the Fourth Proportional to 187,345.70, 258,539.10 and 102,460.94

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Solution

The fourth proportional to 187,345.70, 258,539.10 and 102,460.94 is: 141,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345.70 : 258,539.10 = 102,460.94 : x
  2. Step 2: Convert to fraction form
    187,345.70/258,539.10 = 102,460.94/x
  3. Step 3: Cross multiply
    187,345.70x = 258,539.10 × 102,460.94
  4. Step 4: Simplify right side
    187,345.70x = 26,490,159,212.75
  5. Step 5: Solve for x
    x = 26,490,159,212.75/187,345.70
  6. Step 6: Final answer
    x = 141,397.21

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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.