Home / 187,802.88-281,815.02-69,557.25

Finding the Fourth Proportional to 187,802.88, 281,815.02 and 69,557.25

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Solution

The fourth proportional to 187,802.88, 281,815.02 and 69,557.25 is: 104,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,802.88 : 281,815.02 = 69,557.25 : x
  2. Step 2: Convert to fraction form
    187,802.88/281,815.02 = 69,557.25/x
  3. Step 3: Cross multiply
    187,802.88x = 281,815.02 × 69,557.25
  4. Step 4: Simplify right side
    187,802.88x = 19,602,276,390.82
  5. Step 5: Solve for x
    x = 19,602,276,390.82/187,802.88
  6. Step 6: Final answer
    x = 104,376.87

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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.