Home / 187,060.32-257,958.88-115,425.14

Finding the Fourth Proportional to 187,060.32, 257,958.88 and 115,425.14

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Solution

The fourth proportional to 187,060.32, 257,958.88 and 115,425.14 is: 159,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,060.32 : 257,958.88 = 115,425.14 : x
  2. Step 2: Convert to fraction form
    187,060.32/257,958.88 = 115,425.14/x
  3. Step 3: Cross multiply
    187,060.32x = 257,958.88 × 115,425.14
  4. Step 4: Simplify right side
    187,060.32x = 29,774,938,259.89
  5. Step 5: Solve for x
    x = 29,774,938,259.89/187,060.32
  6. Step 6: Final answer
    x = 159,172.92

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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.