Home / 124,837.60-187,256.40-109,285.60

Finding the Fourth Proportional to 124,837.60, 187,256.40 and 109,285.60

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Solution

The fourth proportional to 124,837.60, 187,256.40 and 109,285.60 is: 163,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,837.60 : 187,256.40 = 109,285.60 : x
  2. Step 2: Convert to fraction form
    124,837.60/187,256.40 = 109,285.60/x
  3. Step 3: Cross multiply
    124,837.60x = 187,256.40 × 109,285.60
  4. Step 4: Simplify right side
    124,837.60x = 20,464,428,027.84
  5. Step 5: Solve for x
    x = 20,464,428,027.84/124,837.60
  6. Step 6: Final answer
    x = 163,928.40

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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.