Home / 140,239.16-193,530.02-76,577.02

Finding the Fourth Proportional to 140,239.16, 193,530.02 and 76,577.02

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Solution

The fourth proportional to 140,239.16, 193,530.02 and 76,577.02 is: 105,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,239.16 : 193,530.02 = 76,577.02 : x
  2. Step 2: Convert to fraction form
    140,239.16/193,530.02 = 76,577.02/x
  3. Step 3: Cross multiply
    140,239.16x = 193,530.02 × 76,577.02
  4. Step 4: Simplify right side
    140,239.16x = 14,819,951,435.93
  5. Step 5: Solve for x
    x = 14,819,951,435.93/140,239.16
  6. Step 6: Final answer
    x = 105,676.27

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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.