Home / 142,433.46-213,699.51-53,712.42

Finding the Fourth Proportional to 142,433.46, 213,699.51 and 53,712.42

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Solution

The fourth proportional to 142,433.46, 213,699.51 and 53,712.42 is: 80,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,433.46 : 213,699.51 = 53,712.42 : x
  2. Step 2: Convert to fraction form
    142,433.46/213,699.51 = 53,712.42/x
  3. Step 3: Cross multiply
    142,433.46x = 213,699.51 × 53,712.42
  4. Step 4: Simplify right side
    142,433.46x = 11,478,317,834.91
  5. Step 5: Solve for x
    x = 11,478,317,834.91/142,433.46
  6. Step 6: Final answer
    x = 80,587.23

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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.