Home / 142,905.60-214,237.44-54,110.16

Finding the Fourth Proportional to 142,905.60, 214,237.44 and 54,110.16

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Solution

The fourth proportional to 142,905.60, 214,237.44 and 54,110.16 is: 81,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,905.60 : 214,237.44 = 54,110.16 : x
  2. Step 2: Convert to fraction form
    142,905.60/214,237.44 = 54,110.16/x
  3. Step 3: Cross multiply
    142,905.60x = 214,237.44 × 54,110.16
  4. Step 4: Simplify right side
    142,905.60x = 11,592,422,156.39
  5. Step 5: Solve for x
    x = 11,592,422,156.39/142,905.60
  6. Step 6: Final answer
    x = 81,119.44

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1.5x scale

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.