Home / 85,250.07-127,953.98-43,159.73

Finding the Fourth Proportional to 85,250.07, 127,953.98 and 43,159.73

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Solution

The fourth proportional to 85,250.07, 127,953.98 and 43,159.73 is: 64,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,250.07 : 127,953.98 = 43,159.73 : x
  2. Step 2: Convert to fraction form
    85,250.07/127,953.98 = 43,159.73/x
  3. Step 3: Cross multiply
    85,250.07x = 127,953.98 × 43,159.73
  4. Step 4: Simplify right side
    85,250.07x = 5,522,458,373.66
  5. Step 5: Solve for x
    x = 5,522,458,373.66/85,250.07
  6. Step 6: Final answer
    x = 64,779.52

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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.