Home / 140,129.04-210,187.68-65,223.42

Finding the Fourth Proportional to 140,129.04, 210,187.68 and 65,223.42

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Solution

The fourth proportional to 140,129.04, 210,187.68 and 65,223.42 is: 97,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,129.04 : 210,187.68 = 65,223.42 : x
  2. Step 2: Convert to fraction form
    140,129.04/210,187.68 = 65,223.42/x
  3. Step 3: Cross multiply
    140,129.04x = 210,187.68 × 65,223.42
  4. Step 4: Simplify right side
    140,129.04x = 13,709,159,331.47
  5. Step 5: Solve for x
    x = 13,709,159,331.47/140,129.04
  6. Step 6: Final answer
    x = 97,832.39

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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.