Home / 187,548.36-281,292.21-69,275.40

Finding the Fourth Proportional to 187,548.36, 281,292.21 and 69,275.40

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Solution

The fourth proportional to 187,548.36, 281,292.21 and 69,275.40 is: 103,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,548.36 : 281,292.21 = 69,275.40 : x
  2. Step 2: Convert to fraction form
    187,548.36/281,292.21 = 69,275.40/x
  3. Step 3: Cross multiply
    187,548.36x = 281,292.21 × 69,275.40
  4. Step 4: Simplify right side
    187,548.36x = 19,486,630,364.63
  5. Step 5: Solve for x
    x = 19,486,630,364.63/187,548.36
  6. Step 6: Final answer
    x = 103,901.90

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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.