Home / 140,312.63-193,634.27-76,654.53

Finding the Fourth Proportional to 140,312.63, 193,634.27 and 76,654.53

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Solution

The fourth proportional to 140,312.63, 193,634.27 and 76,654.53 is: 105,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,312.63 : 193,634.27 = 76,654.53 : x
  2. Step 2: Convert to fraction form
    140,312.63/193,634.27 = 76,654.53/x
  3. Step 3: Cross multiply
    140,312.63x = 193,634.27 × 76,654.53
  4. Step 4: Simplify right side
    140,312.63x = 14,842,943,958.74
  5. Step 5: Solve for x
    x = 14,842,943,958.74/140,312.63
  6. Step 6: Final answer
    x = 105,784.80

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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.