Home / 122,064.32-182,877.78-43,128.20

Finding the Fourth Proportional to 122,064.32, 182,877.78 and 43,128.20

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Solution

The fourth proportional to 122,064.32, 182,877.78 and 43,128.20 is: 64,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,064.32 : 182,877.78 = 43,128.20 : x
  2. Step 2: Convert to fraction form
    122,064.32/182,877.78 = 43,128.20/x
  3. Step 3: Cross multiply
    122,064.32x = 182,877.78 × 43,128.20
  4. Step 4: Simplify right side
    122,064.32x = 7,887,190,036.41
  5. Step 5: Solve for x
    x = 7,887,190,036.41/122,064.32
  6. Step 6: Final answer
    x = 64,615.03

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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.