Home / 140,567.67-193,983.30-76,905.90

Finding the Fourth Proportional to 140,567.67, 193,983.30 and 76,905.90

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Solution

The fourth proportional to 140,567.67, 193,983.30 and 76,905.90 is: 106,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,567.67 : 193,983.30 = 76,905.90 : x
  2. Step 2: Convert to fraction form
    140,567.67/193,983.30 = 76,905.90/x
  3. Step 3: Cross multiply
    140,567.67x = 193,983.30 × 76,905.90
  4. Step 4: Simplify right side
    140,567.67x = 14,918,460,271.47
  5. Step 5: Solve for x
    x = 14,918,460,271.47/140,567.67
  6. Step 6: Final answer
    x = 106,130.10

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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.