Home / 95,010.20-142,421.30-45,002.40

Finding the Fourth Proportional to 95,010.20, 142,421.30 and 45,002.40

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Solution

The fourth proportional to 95,010.20, 142,421.30 and 45,002.40 is: 67,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,010.20 : 142,421.30 = 45,002.40 : x
  2. Step 2: Convert to fraction form
    95,010.20/142,421.30 = 45,002.40/x
  3. Step 3: Cross multiply
    95,010.20x = 142,421.30 × 45,002.40
  4. Step 4: Simplify right side
    95,010.20x = 6,409,300,311.12
  5. Step 5: Solve for x
    x = 6,409,300,311.12/95,010.20
  6. Step 6: Final answer
    x = 67,459.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.