Home / 187,510.36-281,235.28-69,237.40

Finding the Fourth Proportional to 187,510.36, 281,235.28 and 69,237.40

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Solution

The fourth proportional to 187,510.36, 281,235.28 and 69,237.40 is: 103,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,510.36 : 281,235.28 = 69,237.40 : x
  2. Step 2: Convert to fraction form
    187,510.36/281,235.28 = 69,237.40/x
  3. Step 3: Cross multiply
    187,510.36x = 281,235.28 × 69,237.40
  4. Step 4: Simplify right side
    187,510.36x = 19,471,999,575.47
  5. Step 5: Solve for x
    x = 19,471,999,575.47/187,510.36
  6. Step 6: Final answer
    x = 103,844.93

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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.