Home / 140,087.88-193,319.46-76,424.32

Finding the Fourth Proportional to 140,087.88, 193,319.46 and 76,424.32

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Solution

The fourth proportional to 140,087.88, 193,319.46 and 76,424.32 is: 105,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,087.88 : 193,319.46 = 76,424.32 : x
  2. Step 2: Convert to fraction form
    140,087.88/193,319.46 = 76,424.32/x
  3. Step 3: Cross multiply
    140,087.88x = 193,319.46 × 76,424.32
  4. Step 4: Simplify right side
    140,087.88x = 14,774,308,273.27
  5. Step 5: Solve for x
    x = 14,774,308,273.27/140,087.88
  6. Step 6: Final answer
    x = 105,464.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.