Home / 140,120.04-210,174.18-65,214.42

Finding the Fourth Proportional to 140,120.04, 210,174.18 and 65,214.42

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Solution

The fourth proportional to 140,120.04, 210,174.18 and 65,214.42 is: 97,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,120.04 : 210,174.18 = 65,214.42 : x
  2. Step 2: Convert to fraction form
    140,120.04/210,174.18 = 65,214.42/x
  3. Step 3: Cross multiply
    140,120.04x = 210,174.18 × 65,214.42
  4. Step 4: Simplify right side
    140,120.04x = 13,706,387,247.68
  5. Step 5: Solve for x
    x = 13,706,387,247.68/140,120.04
  6. Step 6: Final answer
    x = 97,818.89

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1.5x scale

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.