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Finding the Fourth Proportional to 187,368.66, 281,012.64 and 59,295.06

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Solution

The fourth proportional to 187,368.66, 281,012.64 and 59,295.06 is: 88,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,368.66 : 281,012.64 = 59,295.06 : x
  2. Step 2: Convert to fraction form
    187,368.66/281,012.64 = 59,295.06/x
  3. Step 3: Cross multiply
    187,368.66x = 281,012.64 × 59,295.06
  4. Step 4: Simplify right side
    187,368.66x = 16,662,661,349.56
  5. Step 5: Solve for x
    x = 16,662,661,349.56/187,368.66
  6. Step 6: Final answer
    x = 88,929.82

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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.