Home / 187,301.60-280,952.40-54,186.20

Finding the Fourth Proportional to 187,301.60, 280,952.40 and 54,186.20

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Solution

The fourth proportional to 187,301.60, 280,952.40 and 54,186.20 is: 81,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,301.60 : 280,952.40 = 54,186.20 : x
  2. Step 2: Convert to fraction form
    187,301.60/280,952.40 = 54,186.20/x
  3. Step 3: Cross multiply
    187,301.60x = 280,952.40 × 54,186.20
  4. Step 4: Simplify right side
    187,301.60x = 15,223,742,936.88
  5. Step 5: Solve for x
    x = 15,223,742,936.88/187,301.60
  6. Step 6: Final answer
    x = 81,279.30

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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.