Home / 187,548.16-258,819.52-105,880.72

Finding the Fourth Proportional to 187,548.16, 258,819.52 and 105,880.72

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Solution

The fourth proportional to 187,548.16, 258,819.52 and 105,880.72 is: 146,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,548.16 : 258,819.52 = 105,880.72 : x
  2. Step 2: Convert to fraction form
    187,548.16/258,819.52 = 105,880.72/x
  3. Step 3: Cross multiply
    187,548.16x = 258,819.52 × 105,880.72
  4. Step 4: Simplify right side
    187,548.16x = 27,403,997,127.65
  5. Step 5: Solve for x
    x = 27,403,997,127.65/187,548.16
  6. Step 6: Final answer
    x = 146,117.12

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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.