Home / 187,345.98-258,535.80-102,463.65

Finding the Fourth Proportional to 187,345.98, 258,535.80 and 102,463.65

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Solution

The fourth proportional to 187,345.98, 258,535.80 and 102,463.65 is: 141,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345.98 : 258,535.80 = 102,463.65 : x
  2. Step 2: Convert to fraction form
    187,345.98/258,535.80 = 102,463.65/x
  3. Step 3: Cross multiply
    187,345.98x = 258,535.80 × 102,463.65
  4. Step 4: Simplify right side
    187,345.98x = 26,490,521,723.67
  5. Step 5: Solve for x
    x = 26,490,521,723.67/187,345.98
  6. Step 6: Final answer
    x = 141,398.93

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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.