Home / 187,664.56-281,495.79-45,509.74

Finding the Fourth Proportional to 187,664.56, 281,495.79 and 45,509.74

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Solution

The fourth proportional to 187,664.56, 281,495.79 and 45,509.74 is: 68,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,664.56 : 281,495.79 = 45,509.74 : x
  2. Step 2: Convert to fraction form
    187,664.56/281,495.79 = 45,509.74/x
  3. Step 3: Cross multiply
    187,664.56x = 281,495.79 × 45,509.74
  4. Step 4: Simplify right side
    187,664.56x = 12,810,799,510.26
  5. Step 5: Solve for x
    x = 12,810,799,510.26/187,664.56
  6. Step 6: Final answer
    x = 68,264.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.