Home / 140,087.48-193,316.90-76,425.26

Finding the Fourth Proportional to 140,087.48, 193,316.90 and 76,425.26

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Solution

The fourth proportional to 140,087.48, 193,316.90 and 76,425.26 is: 105,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,087.48 : 193,316.90 = 76,425.26 : x
  2. Step 2: Convert to fraction form
    140,087.48/193,316.90 = 76,425.26/x
  3. Step 3: Cross multiply
    140,087.48x = 193,316.90 × 76,425.26
  4. Step 4: Simplify right side
    140,087.48x = 14,774,294,344.89
  5. Step 5: Solve for x
    x = 14,774,294,344.89/140,087.48
  6. Step 6: Final answer
    x = 105,464.77

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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.