Home / 187,304.02-258,407.31-115,559.62

Finding the Fourth Proportional to 187,304.02, 258,407.31 and 115,559.62

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Solution

The fourth proportional to 187,304.02, 258,407.31 and 115,559.62 is: 159,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,304.02 : 258,407.31 = 115,559.62 : x
  2. Step 2: Convert to fraction form
    187,304.02/258,407.31 = 115,559.62/x
  3. Step 3: Cross multiply
    187,304.02x = 258,407.31 × 115,559.62
  4. Step 4: Simplify right side
    187,304.02x = 29,861,450,548.82
  5. Step 5: Solve for x
    x = 29,861,450,548.82/187,304.02
  6. Step 6: Final answer
    x = 159,427.71

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1.5x scale

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.