Home / 140,131.48-193,385.52-76,473.36

Finding the Fourth Proportional to 140,131.48, 193,385.52 and 76,473.36

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Solution

The fourth proportional to 140,131.48, 193,385.52 and 76,473.36 is: 105,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,131.48 : 193,385.52 = 76,473.36 : x
  2. Step 2: Convert to fraction form
    140,131.48/193,385.52 = 76,473.36/x
  3. Step 3: Cross multiply
    140,131.48x = 193,385.52 × 76,473.36
  4. Step 4: Simplify right side
    140,131.48x = 14,788,840,489.75
  5. Step 5: Solve for x
    x = 14,788,840,489.75/140,131.48
  6. Step 6: Final answer
    x = 105,535.46

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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.